diff --git a/src/Builder/CommonWalletBuilderTrait.php b/src/Builder/CommonWalletBuilderTrait.php
index c8d4205..b719b40 100644
--- a/src/Builder/CommonWalletBuilderTrait.php
+++ b/src/Builder/CommonWalletBuilderTrait.php
@@ -5,9 +5,9 @@
 namespace Jolicode\WalletKit\Builder;
 
 use Jolicode\WalletKit\Builder\Internal\BarcodeMapper;
-use Jolicode\WalletKit\Builder\Internal\ColorMapper;
 use Jolicode\WalletKit\Builder\Internal\CommonWalletState;
 use Jolicode\WalletKit\Builder\Internal\SamsungBarcodeMapper;
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Exception\ApplePlatformContextRequiredException;
 use Jolicode\WalletKit\Exception\GooglePlatformContextRequiredException;
 use Jolicode\WalletKit\Exception\SamsungPlatformContextRequiredException;
@@ -52,43 +52,23 @@ public function withGoogleBarcodeOverride(?GoogleBarcode $barcode): static
         return $this;
     }
 
-    public function withAppleBackgroundColor(?string $color): static
+    public function withBackgroundColor(?Color $color): static
     {
-        $this->common->appleBackgroundColor = $color;
+        $this->common->backgroundColor = $color;
 
         return $this;
     }
 
-    public function withGoogleHexBackgroundColor(?string $hex): static
+    public function withForegroundColor(?Color $color): static
     {
-        $this->common->googleHexBackgroundColor = $hex;
+        $this->common->foregroundColor = $color;
 
         return $this;
     }
 
-    /**
-     * Sets Apple background from RGB and, when parsable, derives Google hex automatically unless hex was set explicitly.
-     */
-    public function withBackgroundColorRgb(string $appleRgb): static
-    {
-        $this->common->appleBackgroundColor = $appleRgb;
-        if (null === $this->common->googleHexBackgroundColor) {
-            $this->common->googleHexBackgroundColor = ColorMapper::appleRgbToGoogleHex($appleRgb);
-        }
-
-        return $this;
-    }
-
-    public function withAppleForegroundColor(?string $color): static
+    public function withLabelColor(?Color $color): static
     {
-        $this->common->appleForegroundColor = $color;
-
-        return $this;
-    }
-
-    public function withAppleLabelColor(?string $color): static
-    {
-        $this->common->appleLabelColor = $color;
+        $this->common->labelColor = $color;
 
         return $this;
     }
@@ -211,10 +191,9 @@ protected function primaryGoogleBarcode(): ?GoogleBarcode
         return BarcodeMapper::fromFirstAppleBarcode($this->common->appleBarcodes);
     }
 
-    protected function resolvedGoogleHex(): ?string
+    protected function resolvedBackgroundColor(): ?Color
     {
-        return $this->common->googleHexBackgroundColor
-            ?? ColorMapper::appleRgbToGoogleHex($this->common->appleBackgroundColor);
+        return $this->common->backgroundColor;
     }
 
     protected function resolvedGoogleReviewStatus(): ReviewStatusEnum
@@ -279,9 +258,9 @@ protected function createApplePass(\Jolicode\WalletKit\Pass\Apple\Model\PassType
             appLaunchURL: $this->common->appLaunchURL,
             webServiceURL: $this->common->webServiceURL,
             authenticationToken: $this->common->authenticationToken,
-            backgroundColor: $this->common->appleBackgroundColor,
-            foregroundColor: $this->common->appleForegroundColor,
-            labelColor: $this->common->appleLabelColor,
+            backgroundColor: $this->common->backgroundColor,
+            foregroundColor: $this->common->foregroundColor,
+            labelColor: $this->common->labelColor,
             groupingIdentifier: $this->common->groupingIdentifier,
             expirationDate: $this->common->appleExpirationDate,
             voided: $this->common->appleVoided,
@@ -295,12 +274,6 @@ protected function primarySamsungBarcode(): ?SamsungBarcode
         return SamsungBarcodeMapper::fromFirstAppleBarcode($this->common->appleBarcodes);
     }
 
-    protected function resolvedSamsungHexColor(): ?string
-    {
-        return $this->common->googleHexBackgroundColor
-            ?? ColorMapper::appleRgbToGoogleHex($this->common->appleBackgroundColor);
-    }
-
     /**
      * Builds the Samsung {@see Card} envelope shared by all verticals.
      */
diff --git a/src/Builder/EventTicket/EventTicketWalletBuilder.php b/src/Builder/EventTicket/EventTicketWalletBuilder.php
index f52008e..3f3fb1e 100644
--- a/src/Builder/EventTicket/EventTicketWalletBuilder.php
+++ b/src/Builder/EventTicket/EventTicketWalletBuilder.php
@@ -75,7 +75,7 @@ public function build(): BuiltWalletPass
                 issuerName: $this->context->googleIssuerName(),
                 eventName: $this->eventName,
                 reviewStatus: $this->resolvedGoogleReviewStatus(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
             );
@@ -87,7 +87,7 @@ classId: $g->classId,
                 ticketHolderName: $this->ticketHolderName,
                 ticketNumber: $this->ticketNumber,
                 barcode: $this->primaryGoogleBarcode(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 validTimeInterval: $this->common->validTimeInterval,
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
@@ -114,7 +114,7 @@ classId: $g->classId,
                 holderName: $this->ticketHolderName,
                 seatNumber: null,
                 barcode: $this->primarySamsungBarcode(),
-                bgColor: $this->resolvedSamsungHexColor(),
+                bgColor: $this->resolvedBackgroundColor(),
             );
             $samsungCard = $this->createSamsungCard(CardTypeEnum::TICKET, CardSubTypeEnum::PERFORMANCES, $attributes);
         }
diff --git a/src/Builder/Flight/FlightWalletBuilder.php b/src/Builder/Flight/FlightWalletBuilder.php
index cb2ee0e..a32248a 100644
--- a/src/Builder/Flight/FlightWalletBuilder.php
+++ b/src/Builder/Flight/FlightWalletBuilder.php
@@ -9,6 +9,7 @@
 use Jolicode\WalletKit\Builder\GoogleVerticalEnum;
 use Jolicode\WalletKit\Builder\GoogleWalletPair;
 use Jolicode\WalletKit\Builder\WalletPlatformContext;
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Flight\AirportInfo;
 use Jolicode\WalletKit\Pass\Android\Model\Flight\BoardingAndSeatingInfo;
 use Jolicode\WalletKit\Pass\Android\Model\Flight\FlightClass;
@@ -81,7 +82,7 @@ public function build(): BuiltWalletPass
                 origin: $this->origin,
                 destination: $this->destination,
                 flightHeader: $this->flightHeader,
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
             );
@@ -94,7 +95,7 @@ classId: $g->classId,
                 reservationInfo: $this->reservationInfo,
                 boardingAndSeatingInfo: $this->boardingAndSeatingInfo,
                 barcode: $this->primaryGoogleBarcode(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 validTimeInterval: $this->common->validTimeInterval,
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
@@ -110,7 +111,7 @@ classId: $g->classId,
             $attributes = new BoardingPassAttributes(
                 title: 'Flight ' . ($this->flightHeader->flightNumber ?? ''),
                 providerName: $this->context->hasApple() ? $this->context->apple->organizationName : ($this->context->hasGoogle() ? $this->context->googleIssuerName() : ''),
-                bgColor: $this->resolvedSamsungHexColor() ?? '#000000',
+                bgColor: $this->resolvedBackgroundColor() ?? Color::fromHex('#000000'),
                 appLinkLogo: $s->appLinkLogo ?? '',
                 appLinkName: $s->appLinkName ?? '',
                 appLinkData: $s->appLinkData ?? '',
diff --git a/src/Builder/Generic/GenericWalletBuilder.php b/src/Builder/Generic/GenericWalletBuilder.php
index 9fea998..7fb9917 100644
--- a/src/Builder/Generic/GenericWalletBuilder.php
+++ b/src/Builder/Generic/GenericWalletBuilder.php
@@ -82,7 +82,7 @@ public function build(): BuiltWalletPass
                 classId: $g->classId,
                 genericType: $this->genericType,
                 cardTitle: $cardTitle,
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 barcode: $this->primaryGoogleBarcode(),
                 validTimeInterval: $this->common->validTimeInterval,
                 linksModuleData: $this->common->linksModuleData,
@@ -105,7 +105,7 @@ classId: $g->classId,
                 appLinkLogo: $s->appLinkLogo ?? '',
                 appLinkName: $s->appLinkName ?? '',
                 appLinkData: $s->appLinkData ?? '',
-                bgColor: $this->resolvedSamsungHexColor(),
+                bgColor: $this->resolvedBackgroundColor(),
                 serial1: $this->primarySamsungBarcode(),
                 groupingId: $this->common->groupingIdentifier,
             );
diff --git a/src/Builder/GiftCard/GiftCardWalletBuilder.php b/src/Builder/GiftCard/GiftCardWalletBuilder.php
index 84d7edd..b3db586 100644
--- a/src/Builder/GiftCard/GiftCardWalletBuilder.php
+++ b/src/Builder/GiftCard/GiftCardWalletBuilder.php
@@ -65,7 +65,7 @@ public function build(): BuiltWalletPass
                 id: $g->classId,
                 issuerName: $this->context->googleIssuerName(),
                 reviewStatus: $this->resolvedGoogleReviewStatus(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
             );
@@ -77,7 +77,7 @@ classId: $g->classId,
                 cardNumber: $this->cardNumber,
                 pin: $this->pin,
                 barcode: $this->primaryGoogleBarcode(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 validTimeInterval: $this->common->validTimeInterval,
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
@@ -97,7 +97,7 @@ classId: $g->classId,
                 appLinkName: $s->appLinkName ?? '',
                 appLinkData: $s->appLinkData ?? '',
                 barcode: $this->primarySamsungBarcode(),
-                bgColor: $this->resolvedSamsungHexColor(),
+                bgColor: $this->resolvedBackgroundColor(),
                 amount: $this->cardNumber,
             );
             $samsungCard = $this->createSamsungCard(CardTypeEnum::GIFT_CARD, CardSubTypeEnum::OTHERS, $attributes);
diff --git a/src/Builder/Internal/ColorMapper.php b/src/Builder/Internal/ColorMapper.php
deleted file mode 100644
index 585b1a3..0000000
--- a/src/Builder/Internal/ColorMapper.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Jolicode\WalletKit\Builder\Internal;
-
-final class ColorMapper
-{
-    /**
-     * Converts `rgb(r, g, b)` to `#rrggbb` for Google hex fields. Returns null if the pattern does not match.
-     */
-    public static function appleRgbToGoogleHex(?string $appleBackground): ?string
-    {
-        if (null === $appleBackground) {
-            return null;
-        }
-
-        if (preg_match('/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)\s*$/i', $appleBackground, $m) !== 1) {
-            return null;
-        }
-
-        $r = max(0, min(255, (int) $m[1]));
-        $g = max(0, min(255, (int) $m[2]));
-        $b = max(0, min(255, (int) $m[3]));
-
-        return \sprintf('#%02x%02x%02x', $r, $g, $b);
-    }
-}
diff --git a/src/Builder/Internal/CommonWalletState.php b/src/Builder/Internal/CommonWalletState.php
index 21d4192..ed640b3 100644
--- a/src/Builder/Internal/CommonWalletState.php
+++ b/src/Builder/Internal/CommonWalletState.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Builder\Internal;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode as GoogleBarcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\LinksModuleData;
@@ -21,13 +22,11 @@ final class CommonWalletState
 
     public ?GoogleBarcode $googleBarcodeOverride = null;
 
-    public ?string $appleBackgroundColor = null;
+    public ?Color $backgroundColor = null;
 
-    public ?string $googleHexBackgroundColor = null;
+    public ?Color $foregroundColor = null;
 
-    public ?string $appleForegroundColor = null;
-
-    public ?string $appleLabelColor = null;
+    public ?Color $labelColor = null;
 
     public ?string $groupingIdentifier = null;
 
diff --git a/src/Builder/Loyalty/LoyaltyWalletBuilder.php b/src/Builder/Loyalty/LoyaltyWalletBuilder.php
index f28f5f5..a5f9f43 100644
--- a/src/Builder/Loyalty/LoyaltyWalletBuilder.php
+++ b/src/Builder/Loyalty/LoyaltyWalletBuilder.php
@@ -63,7 +63,7 @@ public function build(): BuiltWalletPass
                 issuerName: $this->context->googleIssuerName(),
                 reviewStatus: $this->resolvedGoogleReviewStatus(),
                 programName: $this->programName,
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
             );
@@ -75,7 +75,7 @@ classId: $g->classId,
                 accountName: $this->accountName,
                 accountId: $this->accountId,
                 barcode: $this->primaryGoogleBarcode(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 validTimeInterval: $this->common->validTimeInterval,
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
@@ -95,7 +95,7 @@ classId: $g->classId,
                 appLinkName: $s->appLinkName ?? '',
                 appLinkData: $s->appLinkData ?? '',
                 barcode: $this->primarySamsungBarcode(),
-                bgColor: $this->resolvedSamsungHexColor(),
+                bgColor: $this->resolvedBackgroundColor(),
                 merchantName: $this->programName,
             );
             $samsungCard = $this->createSamsungCard(CardTypeEnum::LOYALTY, CardSubTypeEnum::OTHERS, $attributes);
diff --git a/src/Builder/Offer/OfferWalletBuilder.php b/src/Builder/Offer/OfferWalletBuilder.php
index 10d6517..47e7b1f 100644
--- a/src/Builder/Offer/OfferWalletBuilder.php
+++ b/src/Builder/Offer/OfferWalletBuilder.php
@@ -54,7 +54,7 @@ public function build(): BuiltWalletPass
                 provider: $this->provider,
                 redemptionChannel: $this->redemptionChannel,
                 reviewStatus: $this->resolvedGoogleReviewStatus(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
             );
@@ -64,7 +64,7 @@ public function build(): BuiltWalletPass
                 classId: $g->classId,
                 state: $this->resolvedGoogleObjectState(),
                 barcode: $this->primaryGoogleBarcode(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 validTimeInterval: $this->common->validTimeInterval,
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
@@ -87,7 +87,7 @@ classId: $g->classId,
                 expiry: $now + 86400000 * 365,
                 brandName: $this->provider,
                 barcode: $this->primarySamsungBarcode(),
-                bgColor: $this->resolvedSamsungHexColor(),
+                bgColor: $this->resolvedBackgroundColor(),
             );
             $samsungCard = $this->createSamsungCard(CardTypeEnum::COUPON, CardSubTypeEnum::OTHERS, $attributes);
         }
diff --git a/src/Builder/Transit/TransitWalletBuilder.php b/src/Builder/Transit/TransitWalletBuilder.php
index 44f9bbd..bf00ffb 100644
--- a/src/Builder/Transit/TransitWalletBuilder.php
+++ b/src/Builder/Transit/TransitWalletBuilder.php
@@ -9,6 +9,7 @@
 use Jolicode\WalletKit\Builder\GoogleVerticalEnum;
 use Jolicode\WalletKit\Builder\GoogleWalletPair;
 use Jolicode\WalletKit\Builder\WalletPlatformContext;
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Transit\TransitClass;
 use Jolicode\WalletKit\Pass\Android\Model\Transit\TransitObject;
 use Jolicode\WalletKit\Pass\Android\Model\Transit\TransitTypeEnum as GoogleTransitTypeEnum;
@@ -64,7 +65,7 @@ public function build(): BuiltWalletPass
                 issuerName: $this->context->googleIssuerName(),
                 reviewStatus: $this->resolvedGoogleReviewStatus(),
                 transitType: $this->googleTransitType,
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
             );
@@ -76,7 +77,7 @@ classId: $g->classId,
                 tripType: $this->tripType,
                 ticketNumber: $this->ticketNumber,
                 barcode: $this->primaryGoogleBarcode(),
-                hexBackgroundColor: $this->resolvedGoogleHex(),
+                hexBackgroundColor: $this->resolvedBackgroundColor(),
                 validTimeInterval: $this->common->validTimeInterval,
                 linksModuleData: $this->common->linksModuleData,
                 appLinkData: $this->common->appLinkData,
@@ -93,7 +94,7 @@ classId: $g->classId,
             $attributes = new BoardingPassAttributes(
                 title: 'Transit',
                 providerName: $this->context->hasApple() ? $this->context->apple->organizationName : ($this->context->hasGoogle() ? $this->context->googleIssuerName() : ''),
-                bgColor: $this->resolvedSamsungHexColor() ?? '#000000',
+                bgColor: $this->resolvedBackgroundColor() ?? Color::fromHex('#000000'),
                 appLinkLogo: $s->appLinkLogo ?? '',
                 appLinkName: $s->appLinkName ?? '',
                 appLinkData: $s->appLinkData ?? '',
diff --git a/src/Common/Color.php b/src/Common/Color.php
new file mode 100644
index 0000000..ed86cd6
--- /dev/null
+++ b/src/Common/Color.php
@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jolicode\WalletKit\Common;
+
+use Jolicode\WalletKit\Exception\InvalidColorException;
+
+final readonly class Color
+{
+    private function __construct(
+        private int $r,
+        private int $g,
+        private int $b,
+    ) {
+    }
+
+    public static function fromRgb(int $r, int $g, int $b): self
+    {
+        if ($r < 0 || $r > 255 || $g < 0 || $g > 255 || $b < 0 || $b > 255) {
+            throw new InvalidColorException(\sprintf('RGB values must be between 0 and 255, got (%d, %d, %d).', $r, $g, $b));
+        }
+
+        return new self($r, $g, $b);
+    }
+
+    public static function fromHex(string $hex): self
+    {
+        if (preg_match('/^#([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i', $hex, $m) !== 1) {
+            throw new InvalidColorException(\sprintf('Invalid hex color "%s", expected format #rrggbb.', $hex));
+        }
+
+        return new self((int) hexdec($m[1]), (int) hexdec($m[2]), (int) hexdec($m[3]));
+    }
+
+    public static function fromRgbString(string $rgb): self
+    {
+        if (preg_match('/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i', $rgb, $m) !== 1) {
+            throw new InvalidColorException(\sprintf('Invalid RGB string "%s", expected format rgb(r, g, b).', $rgb));
+        }
+
+        return self::fromRgb((int) $m[1], (int) $m[2], (int) $m[3]);
+    }
+
+    public function rgb(): string
+    {
+        return \sprintf('rgb(%d, %d, %d)', $this->r, $this->g, $this->b);
+    }
+
+    public function hex(): string
+    {
+        return \sprintf('#%02x%02x%02x', $this->r, $this->g, $this->b);
+    }
+}
diff --git a/src/Exception/InvalidColorException.php b/src/Exception/InvalidColorException.php
new file mode 100644
index 0000000..5f31f5a
--- /dev/null
+++ b/src/Exception/InvalidColorException.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jolicode\WalletKit\Exception;
+
+final class InvalidColorException extends \InvalidArgumentException implements WalletKitException
+{
+}
diff --git a/src/Pass/Android/Model/EventTicket/EventTicketClass.php b/src/Pass/Android/Model/EventTicket/EventTicketClass.php
index 07464bd..0116b00 100644
--- a/src/Pass/Android/Model/EventTicket/EventTicketClass.php
+++ b/src/Pass/Android/Model/EventTicket/EventTicketClass.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\EventTicket;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\CallbackOptions;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Image;
@@ -100,7 +101,7 @@ public function __construct(
         public ?LocalizedString $localizedEventName = null,
         public ?string $eventId = null,
         public ?LocalizedString $localizedIssuerName = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?string $countryCode = null,
         public ?Image $logo = null,
         public ?Image $wideLogo = null,
diff --git a/src/Pass/Android/Model/EventTicket/EventTicketObject.php b/src/Pass/Android/Model/EventTicket/EventTicketObject.php
index 4c84083..9bc2fe9 100644
--- a/src/Pass/Android/Model/EventTicket/EventTicketObject.php
+++ b/src/Pass/Android/Model/EventTicket/EventTicketObject.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\EventTicket;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\GroupingInfo;
@@ -100,7 +101,7 @@ public function __construct(
         public ?Money $faceValue = null,
         public ?GroupingInfo $groupingInfo = null,
         public ?array $linkedOfferIds = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?Barcode $barcode = null,
         public ?array $messages = null,
         public ?TimeInterval $validTimeInterval = null,
diff --git a/src/Pass/Android/Model/Flight/FlightClass.php b/src/Pass/Android/Model/Flight/FlightClass.php
index ffbca15..44fbaf5 100644
--- a/src/Pass/Android/Model/Flight/FlightClass.php
+++ b/src/Pass/Android/Model/Flight/FlightClass.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Flight;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\CallbackOptions;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Image;
@@ -71,7 +72,7 @@ public function __construct(
         public ?BoardingPolicyEnum $boardingPolicy = null,
         public ?SeatClassPolicyEnum $seatClassPolicy = null,
         public ?LocalizedString $localizedIssuerName = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?string $countryCode = null,
         public ?Image $heroImage = null,
         public ?bool $enableSmartTap = null,
diff --git a/src/Pass/Android/Model/Flight/FlightObject.php b/src/Pass/Android/Model/Flight/FlightObject.php
index 6adb34a..47b5209 100644
--- a/src/Pass/Android/Model/Flight/FlightObject.php
+++ b/src/Pass/Android/Model/Flight/FlightObject.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Flight;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\GroupingInfo;
@@ -61,7 +62,7 @@ public function __construct(
         public ReservationInfo $reservationInfo,
         public ?BoardingAndSeatingInfo $boardingAndSeatingInfo = null,
         public ?Image $securityProgramLogo = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?Barcode $barcode = null,
         public ?array $messages = null,
         public ?TimeInterval $validTimeInterval = null,
diff --git a/src/Pass/Android/Model/Generic/GenericObject.php b/src/Pass/Android/Model/Generic/GenericObject.php
index 66cd274..4a4621f 100644
--- a/src/Pass/Android/Model/Generic/GenericObject.php
+++ b/src/Pass/Android/Model/Generic/GenericObject.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Generic;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\GroupingInfo;
@@ -64,7 +65,7 @@ public function __construct(
         public ?LocalizedString $header = null,
         public ?Image $logo = null,
         public ?Image $wideLogo = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?Notifications $notifications = null,
         public ?Barcode $barcode = null,
         public ?Image $heroImage = null,
diff --git a/src/Pass/Android/Model/GiftCard/GiftCardClass.php b/src/Pass/Android/Model/GiftCard/GiftCardClass.php
index f225f4d..5820359 100644
--- a/src/Pass/Android/Model/GiftCard/GiftCardClass.php
+++ b/src/Pass/Android/Model/GiftCard/GiftCardClass.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\GiftCard;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\CallbackOptions;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Image;
@@ -103,7 +104,7 @@ public function __construct(
         public ?LocalizedString $localizedEventNumberLabel = null,
         public ?string $cardNumberLabel = null,
         public ?LocalizedString $localizedCardNumberLabel = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?LocalizedString $localizedIssuerName = null,
         public ?string $countryCode = null,
         public ?Image $heroImage = null,
diff --git a/src/Pass/Android/Model/GiftCard/GiftCardObject.php b/src/Pass/Android/Model/GiftCard/GiftCardObject.php
index 8070092..84f8a9c 100644
--- a/src/Pass/Android/Model/GiftCard/GiftCardObject.php
+++ b/src/Pass/Android/Model/GiftCard/GiftCardObject.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\GiftCard;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\GoogleDateTime;
@@ -93,7 +94,7 @@ public function __construct(
         public ?GoogleDateTime $balanceUpdateTime = null,
         public ?string $eventNumber = null,
         public ?Barcode $barcode = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?array $messages = null,
         public ?TimeInterval $validTimeInterval = null,
         public ?string $smartTapRedemptionValue = null,
diff --git a/src/Pass/Android/Model/Loyalty/LoyaltyClass.php b/src/Pass/Android/Model/Loyalty/LoyaltyClass.php
index 5714cee..ab2c78a 100644
--- a/src/Pass/Android/Model/Loyalty/LoyaltyClass.php
+++ b/src/Pass/Android/Model/Loyalty/LoyaltyClass.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Loyalty;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\CallbackOptions;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Image;
@@ -61,7 +62,7 @@ public function __construct(
         public ?LocalizedString $localizedProgramName = null,
         public ?Image $programLogo = null,
         public ?Image $wideProgramLogo = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?LocalizedString $localizedIssuerName = null,
         public ?string $countryCode = null,
         public ?Image $heroImage = null,
diff --git a/src/Pass/Android/Model/Loyalty/LoyaltyObject.php b/src/Pass/Android/Model/Loyalty/LoyaltyObject.php
index f06e0fd..070b95c 100644
--- a/src/Pass/Android/Model/Loyalty/LoyaltyObject.php
+++ b/src/Pass/Android/Model/Loyalty/LoyaltyObject.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Loyalty;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\GroupingInfo;
@@ -63,7 +64,7 @@ public function __construct(
         public ?LoyaltyPoints $secondaryLoyaltyPoints = null,
         public ?array $linkedOfferIds = null,
         public ?Barcode $barcode = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?array $messages = null,
         public ?TimeInterval $validTimeInterval = null,
         public ?string $smartTapRedemptionValue = null,
diff --git a/src/Pass/Android/Model/Offer/OfferClass.php b/src/Pass/Android/Model/Offer/OfferClass.php
index 3b4658b..7b507af 100644
--- a/src/Pass/Android/Model/Offer/OfferClass.php
+++ b/src/Pass/Android/Model/Offer/OfferClass.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Offer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\CallbackOptions;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Image;
@@ -110,7 +111,7 @@ public function __construct(
         public ?LocalizedString $localizedFinePrint = null,
         public ?string $shortTitle = null,
         public ?LocalizedString $localizedShortTitle = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?LocalizedString $localizedIssuerName = null,
         public ?string $countryCode = null,
         public ?Image $heroImage = null,
diff --git a/src/Pass/Android/Model/Offer/OfferObject.php b/src/Pass/Android/Model/Offer/OfferObject.php
index 1ab1480..c3e6f8e 100644
--- a/src/Pass/Android/Model/Offer/OfferObject.php
+++ b/src/Pass/Android/Model/Offer/OfferObject.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Offer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\GroupingInfo;
@@ -79,7 +80,7 @@ public function __construct(
         public string $classId,
         public StateEnum $state,
         public ?Barcode $barcode = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?array $messages = null,
         public ?TimeInterval $validTimeInterval = null,
         public ?string $smartTapRedemptionValue = null,
diff --git a/src/Pass/Android/Model/Transit/TransitClass.php b/src/Pass/Android/Model/Transit/TransitClass.php
index edd5180..ef963d7 100644
--- a/src/Pass/Android/Model/Transit/TransitClass.php
+++ b/src/Pass/Android/Model/Transit/TransitClass.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Transit;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\CallbackOptions;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Image;
@@ -64,7 +65,7 @@ public function __construct(
         public ?LocalizedString $localizedTransitOperatorName = null,
         public ?Image $logo = null,
         public ?Image $wideLogo = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?string $countryCode = null,
         public ?Image $heroImage = null,
         public ?bool $enableSmartTap = null,
diff --git a/src/Pass/Android/Model/Transit/TransitObject.php b/src/Pass/Android/Model/Transit/TransitObject.php
index 1dd2658..c2875e8 100644
--- a/src/Pass/Android/Model/Transit/TransitObject.php
+++ b/src/Pass/Android/Model/Transit/TransitObject.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Android\Model\Transit;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\AppLinkData;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\GroupingInfo;
@@ -79,7 +80,7 @@ public function __construct(
         public ?PurchaseDetails $purchaseDetails = null,
         public ?TicketLeg $ticketLeg = null,
         public ?array $ticketLegs = null,
-        public ?string $hexBackgroundColor = null,
+        public ?Color $hexBackgroundColor = null,
         public ?Barcode $barcode = null,
         public ?array $messages = null,
         public ?TimeInterval $validTimeInterval = null,
diff --git a/src/Pass/Android/Normalizer/EventTicket/EventTicketClassNormalizer.php b/src/Pass/Android/Normalizer/EventTicket/EventTicketClassNormalizer.php
index ccd20de..0877109 100644
--- a/src/Pass/Android/Normalizer/EventTicket/EventTicketClassNormalizer.php
+++ b/src/Pass/Android/Normalizer/EventTicket/EventTicketClassNormalizer.php
@@ -44,7 +44,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->countryCode) {
diff --git a/src/Pass/Android/Normalizer/EventTicket/EventTicketObjectNormalizer.php b/src/Pass/Android/Normalizer/EventTicket/EventTicketObjectNormalizer.php
index aca5d80..8f9592e 100644
--- a/src/Pass/Android/Normalizer/EventTicket/EventTicketObjectNormalizer.php
+++ b/src/Pass/Android/Normalizer/EventTicket/EventTicketObjectNormalizer.php
@@ -63,7 +63,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->barcode) {
diff --git a/src/Pass/Android/Normalizer/Flight/FlightClassNormalizer.php b/src/Pass/Android/Normalizer/Flight/FlightClassNormalizer.php
index a2d4415..729f8dc 100644
--- a/src/Pass/Android/Normalizer/Flight/FlightClassNormalizer.php
+++ b/src/Pass/Android/Normalizer/Flight/FlightClassNormalizer.php
@@ -70,7 +70,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->countryCode) {
diff --git a/src/Pass/Android/Normalizer/Flight/FlightObjectNormalizer.php b/src/Pass/Android/Normalizer/Flight/FlightObjectNormalizer.php
index ad269fd..9431637 100644
--- a/src/Pass/Android/Normalizer/Flight/FlightObjectNormalizer.php
+++ b/src/Pass/Android/Normalizer/Flight/FlightObjectNormalizer.php
@@ -41,7 +41,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->barcode) {
diff --git a/src/Pass/Android/Normalizer/Generic/GenericObjectNormalizer.php b/src/Pass/Android/Normalizer/Generic/GenericObjectNormalizer.php
index 965e144..935b3a6 100644
--- a/src/Pass/Android/Normalizer/Generic/GenericObjectNormalizer.php
+++ b/src/Pass/Android/Normalizer/Generic/GenericObjectNormalizer.php
@@ -54,7 +54,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->notifications) {
diff --git a/src/Pass/Android/Normalizer/GiftCard/GiftCardClassNormalizer.php b/src/Pass/Android/Normalizer/GiftCard/GiftCardClassNormalizer.php
index 95e4704..033ac7e 100644
--- a/src/Pass/Android/Normalizer/GiftCard/GiftCardClassNormalizer.php
+++ b/src/Pass/Android/Normalizer/GiftCard/GiftCardClassNormalizer.php
@@ -75,7 +75,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->localizedIssuerName) {
diff --git a/src/Pass/Android/Normalizer/GiftCard/GiftCardObjectNormalizer.php b/src/Pass/Android/Normalizer/GiftCard/GiftCardObjectNormalizer.php
index 903d4ad..10c5a55 100644
--- a/src/Pass/Android/Normalizer/GiftCard/GiftCardObjectNormalizer.php
+++ b/src/Pass/Android/Normalizer/GiftCard/GiftCardObjectNormalizer.php
@@ -52,7 +52,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->messages) {
diff --git a/src/Pass/Android/Normalizer/Loyalty/LoyaltyClassNormalizer.php b/src/Pass/Android/Normalizer/Loyalty/LoyaltyClassNormalizer.php
index bfaa4d0..ace342b 100644
--- a/src/Pass/Android/Normalizer/Loyalty/LoyaltyClassNormalizer.php
+++ b/src/Pass/Android/Normalizer/Loyalty/LoyaltyClassNormalizer.php
@@ -47,7 +47,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->localizedIssuerName) {
diff --git a/src/Pass/Android/Normalizer/Loyalty/LoyaltyObjectNormalizer.php b/src/Pass/Android/Normalizer/Loyalty/LoyaltyObjectNormalizer.php
index ea0ef0e..d735a70 100644
--- a/src/Pass/Android/Normalizer/Loyalty/LoyaltyObjectNormalizer.php
+++ b/src/Pass/Android/Normalizer/Loyalty/LoyaltyObjectNormalizer.php
@@ -55,7 +55,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->messages) {
diff --git a/src/Pass/Android/Normalizer/Offer/OfferClassNormalizer.php b/src/Pass/Android/Normalizer/Offer/OfferClassNormalizer.php
index d9e69d3..f527d84 100644
--- a/src/Pass/Android/Normalizer/Offer/OfferClassNormalizer.php
+++ b/src/Pass/Android/Normalizer/Offer/OfferClassNormalizer.php
@@ -78,7 +78,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->localizedIssuerName) {
diff --git a/src/Pass/Android/Normalizer/Offer/OfferObjectNormalizer.php b/src/Pass/Android/Normalizer/Offer/OfferObjectNormalizer.php
index 5ab2971..66a28e9 100644
--- a/src/Pass/Android/Normalizer/Offer/OfferObjectNormalizer.php
+++ b/src/Pass/Android/Normalizer/Offer/OfferObjectNormalizer.php
@@ -35,7 +35,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->messages) {
diff --git a/src/Pass/Android/Normalizer/Transit/TransitClassNormalizer.php b/src/Pass/Android/Normalizer/Transit/TransitClassNormalizer.php
index 22faddd..53e1cea 100644
--- a/src/Pass/Android/Normalizer/Transit/TransitClassNormalizer.php
+++ b/src/Pass/Android/Normalizer/Transit/TransitClassNormalizer.php
@@ -52,7 +52,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->countryCode) {
diff --git a/src/Pass/Android/Normalizer/Transit/TransitObjectNormalizer.php b/src/Pass/Android/Normalizer/Transit/TransitObjectNormalizer.php
index 38604ff..1d4142c 100644
--- a/src/Pass/Android/Normalizer/Transit/TransitObjectNormalizer.php
+++ b/src/Pass/Android/Normalizer/Transit/TransitObjectNormalizer.php
@@ -84,7 +84,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->hexBackgroundColor) {
-            $data['hexBackgroundColor'] = $object->hexBackgroundColor;
+            $data['hexBackgroundColor'] = $object->hexBackgroundColor->hex();
         }
 
         if (null !== $object->barcode) {
diff --git a/src/Pass/Apple/Model/Pass.php b/src/Pass/Apple/Model/Pass.php
index 8769921..17ca8a2 100644
--- a/src/Pass/Apple/Model/Pass.php
+++ b/src/Pass/Apple/Model/Pass.php
@@ -4,6 +4,8 @@
 
 namespace Jolicode\WalletKit\Pass\Apple\Model;
 
+use Jolicode\WalletKit\Common\Color;
+
 /**
  * @phpstan-import-type PassStructureType from PassStructure
  * @phpstan-import-type BarcodeType from Barcode
@@ -87,9 +89,9 @@ public function __construct(
         public ?Nfc $nfc = null,
 
         // -- Visual appearance --
-        public ?string $backgroundColor = null,
-        public ?string $foregroundColor = null,
-        public ?string $labelColor = null,
+        public ?Color $backgroundColor = null,
+        public ?Color $foregroundColor = null,
+        public ?Color $labelColor = null,
         public ?string $logoText = null,
         public ?bool $suppressStripShine = null,
 
diff --git a/src/Pass/Apple/Normalizer/PassNormalizer.php b/src/Pass/Apple/Normalizer/PassNormalizer.php
index 4477fce..91ce1ea 100644
--- a/src/Pass/Apple/Normalizer/PassNormalizer.php
+++ b/src/Pass/Apple/Normalizer/PassNormalizer.php
@@ -64,15 +64,15 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->backgroundColor) {
-            $data['backgroundColor'] = $object->backgroundColor;
+            $data['backgroundColor'] = $object->backgroundColor->rgb();
         }
 
         if (null !== $object->foregroundColor) {
-            $data['foregroundColor'] = $object->foregroundColor;
+            $data['foregroundColor'] = $object->foregroundColor->rgb();
         }
 
         if (null !== $object->labelColor) {
-            $data['labelColor'] = $object->labelColor;
+            $data['labelColor'] = $object->labelColor->rgb();
         }
 
         if (null !== $object->logoText) {
diff --git a/src/Pass/Samsung/Model/BoardingPass/BoardingPassAttributes.php b/src/Pass/Samsung/Model/BoardingPass/BoardingPassAttributes.php
index 54095b7..bd311a7 100644
--- a/src/Pass/Samsung/Model/BoardingPass/BoardingPassAttributes.php
+++ b/src/Pass/Samsung/Model/BoardingPass/BoardingPassAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\BoardingPass;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
 
@@ -48,7 +49,7 @@ class BoardingPassAttributes
     public function __construct(
         public string $title,
         public string $providerName,
-        public string $bgColor,
+        public Color $bgColor,
         public string $appLinkLogo,
         public string $appLinkName,
         public string $appLinkData,
diff --git a/src/Pass/Samsung/Model/Coupon/CouponAttributes.php b/src/Pass/Samsung/Model/Coupon/CouponAttributes.php
index 7fc5a86..5556cb4 100644
--- a/src/Pass/Samsung/Model/Coupon/CouponAttributes.php
+++ b/src/Pass/Samsung/Model/Coupon/CouponAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\Coupon;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
 
@@ -48,8 +49,8 @@ public function __construct(
         public ?string $brandName = null,
         public ?string $noticeDesc = null,
         public ?SamsungBarcode $barcode = null,
-        public ?string $bgColor = null,
-        public ?string $fontColor = null,
+        public ?Color $bgColor = null,
+        public ?Color $fontColor = null,
         public ?string $balance = null,
         public ?string $summaryUrl = null,
         public ?bool $editable = null,
diff --git a/src/Pass/Samsung/Model/DigitalId/DigitalIdAttributes.php b/src/Pass/Samsung/Model/DigitalId/DigitalIdAttributes.php
index ebc168e..b3302bf 100644
--- a/src/Pass/Samsung/Model/DigitalId/DigitalIdAttributes.php
+++ b/src/Pass/Samsung/Model/DigitalId/DigitalIdAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\DigitalId;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
 
@@ -67,11 +68,11 @@ public function __construct(
         public ?string $extraInfo = null,
         public ?string $noticeDesc = null,
         public ?SamsungBarcode $barcode = null,
-        public ?string $bgColor = null,
-        public ?string $fontColor = null,
+        public ?Color $bgColor = null,
+        public ?Color $fontColor = null,
         public ?string $bgImage = null,
         public ?string $coverImage = null,
-        public ?string $blinkColor = null,
+        public ?Color $blinkColor = null,
         public ?string $appLinkLogo = null,
         public ?string $appLinkName = null,
         public ?string $appLinkData = null,
diff --git a/src/Pass/Samsung/Model/EventTicket/EventTicketAttributes.php b/src/Pass/Samsung/Model/EventTicket/EventTicketAttributes.php
index a6c764f..a9e9738 100644
--- a/src/Pass/Samsung/Model/EventTicket/EventTicketAttributes.php
+++ b/src/Pass/Samsung/Model/EventTicket/EventTicketAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\EventTicket;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\Location;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
@@ -62,8 +63,8 @@ public function __construct(
         public ?string $seatNumber = null,
         public ?string $entrance = null,
         public ?SamsungBarcode $barcode = null,
-        public ?string $bgColor = null,
-        public ?string $fontColor = null,
+        public ?Color $bgColor = null,
+        public ?Color $fontColor = null,
         public ?array $locations = null,
         public ?bool $preventCapture = null,
         public ?bool $noNetworkSupport = null,
diff --git a/src/Pass/Samsung/Model/Generic/GenericAttributes.php b/src/Pass/Samsung/Model/Generic/GenericAttributes.php
index ad6b02a..7b6c18f 100644
--- a/src/Pass/Samsung/Model/Generic/GenericAttributes.php
+++ b/src/Pass/Samsung/Model/Generic/GenericAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\Generic;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\Location;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
@@ -63,9 +64,9 @@ public function __construct(
         public ?SamsungImage $logoImage = null,
         public ?string $coverImage = null,
         public ?string $bgImage = null,
-        public ?string $bgColor = null,
-        public ?string $fontColor = null,
-        public ?string $blinkColor = null,
+        public ?Color $bgColor = null,
+        public ?Color $fontColor = null,
+        public ?Color $blinkColor = null,
         public ?SamsungBarcode $serial1 = null,
         public ?SamsungBarcode $serial2 = null,
         public ?string $csInfo = null,
diff --git a/src/Pass/Samsung/Model/GiftCard/GiftCardAttributes.php b/src/Pass/Samsung/Model/GiftCard/GiftCardAttributes.php
index c720daa..346341c 100644
--- a/src/Pass/Samsung/Model/GiftCard/GiftCardAttributes.php
+++ b/src/Pass/Samsung/Model/GiftCard/GiftCardAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\GiftCard;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\Location;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
@@ -56,11 +57,11 @@ public function __construct(
         public ?int $startDate = null,
         public ?int $endDate = null,
         public ?SamsungBarcode $barcode = null,
-        public ?string $bgColor = null,
-        public ?string $fontColor = null,
+        public ?Color $bgColor = null,
+        public ?Color $fontColor = null,
         public ?string $bgImage = null,
         public ?string $mainImg = null,
-        public ?string $blinkColor = null,
+        public ?Color $blinkColor = null,
         public ?string $noticeDesc = null,
         public ?string $csInfo = null,
         public ?string $merchantId = null,
diff --git a/src/Pass/Samsung/Model/Loyalty/LoyaltyAttributes.php b/src/Pass/Samsung/Model/Loyalty/LoyaltyAttributes.php
index b91391e..ca9ca6d 100644
--- a/src/Pass/Samsung/Model/Loyalty/LoyaltyAttributes.php
+++ b/src/Pass/Samsung/Model/Loyalty/LoyaltyAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\Loyalty;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\Location;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
@@ -53,10 +54,10 @@ public function __construct(
         public ?int $startDate = null,
         public ?int $endDate = null,
         public ?SamsungBarcode $barcode = null,
-        public ?string $bgColor = null,
-        public ?string $fontColor = null,
+        public ?Color $bgColor = null,
+        public ?Color $fontColor = null,
         public ?string $bgImage = null,
-        public ?string $blinkColor = null,
+        public ?Color $blinkColor = null,
         public ?string $noticeDesc = null,
         public ?string $csInfo = null,
         public ?string $merchantId = null,
diff --git a/src/Pass/Samsung/Model/PayAsYouGo/PayAsYouGoAttributes.php b/src/Pass/Samsung/Model/PayAsYouGo/PayAsYouGoAttributes.php
index 52c9178..eabbe50 100644
--- a/src/Pass/Samsung/Model/PayAsYouGo/PayAsYouGoAttributes.php
+++ b/src/Pass/Samsung/Model/PayAsYouGo/PayAsYouGoAttributes.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Pass\Samsung\Model\PayAsYouGo;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\Location;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungBarcode;
 use Jolicode\WalletKit\Pass\Samsung\Model\Shared\SamsungImage;
@@ -56,10 +57,10 @@ public function __construct(
         public ?string $holderName = null,
         public ?int $startDate = null,
         public ?int $endDate = null,
-        public ?string $bgColor = null,
-        public ?string $fontColor = null,
+        public ?Color $bgColor = null,
+        public ?Color $fontColor = null,
         public ?string $bgImage = null,
-        public ?string $blinkColor = null,
+        public ?Color $blinkColor = null,
         public ?string $csInfo = null,
         public ?string $identifier = null,
         public ?string $grade = null,
diff --git a/src/Pass/Samsung/Normalizer/BoardingPass/BoardingPassAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/BoardingPass/BoardingPassAttributesNormalizer.php
index 7da333b..e8e9d32 100644
--- a/src/Pass/Samsung/Normalizer/BoardingPass/BoardingPassAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/BoardingPass/BoardingPassAttributesNormalizer.php
@@ -27,7 +27,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         $data = [
             'title' => $object->title,
             'providerName' => $object->providerName,
-            'bgColor' => $object->bgColor,
+            'bgColor' => $object->bgColor->hex(),
             'appLinkLogo' => $object->appLinkLogo,
             'appLinkName' => $object->appLinkName,
             'appLinkData' => $object->appLinkData,
diff --git a/src/Pass/Samsung/Normalizer/Coupon/CouponAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/Coupon/CouponAttributesNormalizer.php
index 9113f92..6c59bfe 100644
--- a/src/Pass/Samsung/Normalizer/Coupon/CouponAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/Coupon/CouponAttributesNormalizer.php
@@ -54,11 +54,11 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->bgColor) {
-            $data['bgColor'] = $object->bgColor;
+            $data['bgColor'] = $object->bgColor->hex();
         }
 
         if (null !== $object->fontColor) {
-            $data['fontColor'] = $object->fontColor;
+            $data['fontColor'] = $object->fontColor->hex();
         }
 
         if (null !== $object->balance) {
diff --git a/src/Pass/Samsung/Normalizer/DigitalId/DigitalIdAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/DigitalId/DigitalIdAttributesNormalizer.php
index a0a92ed..aecc0d7 100644
--- a/src/Pass/Samsung/Normalizer/DigitalId/DigitalIdAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/DigitalId/DigitalIdAttributesNormalizer.php
@@ -90,11 +90,11 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->bgColor) {
-            $data['bgColor'] = $object->bgColor;
+            $data['bgColor'] = $object->bgColor->hex();
         }
 
         if (null !== $object->fontColor) {
-            $data['fontColor'] = $object->fontColor;
+            $data['fontColor'] = $object->fontColor->hex();
         }
 
         if (null !== $object->bgImage) {
@@ -106,7 +106,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->blinkColor) {
-            $data['blinkColor'] = $object->blinkColor;
+            $data['blinkColor'] = $object->blinkColor->hex();
         }
 
         if (null !== $object->appLinkLogo) {
diff --git a/src/Pass/Samsung/Normalizer/EventTicket/EventTicketAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/EventTicket/EventTicketAttributesNormalizer.php
index 1d3eee3..17a1b09 100644
--- a/src/Pass/Samsung/Normalizer/EventTicket/EventTicketAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/EventTicket/EventTicketAttributesNormalizer.php
@@ -69,11 +69,11 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->bgColor) {
-            $data['bgColor'] = $object->bgColor;
+            $data['bgColor'] = $object->bgColor->hex();
         }
 
         if (null !== $object->fontColor) {
-            $data['fontColor'] = $object->fontColor;
+            $data['fontColor'] = $object->fontColor->hex();
         }
 
         if (null !== $object->locations) {
diff --git a/src/Pass/Samsung/Normalizer/Generic/GenericAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/Generic/GenericAttributesNormalizer.php
index 91390a1..1f87ae4 100644
--- a/src/Pass/Samsung/Normalizer/Generic/GenericAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/Generic/GenericAttributesNormalizer.php
@@ -67,15 +67,15 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->bgColor) {
-            $data['bgColor'] = $object->bgColor;
+            $data['bgColor'] = $object->bgColor->hex();
         }
 
         if (null !== $object->fontColor) {
-            $data['fontColor'] = $object->fontColor;
+            $data['fontColor'] = $object->fontColor->hex();
         }
 
         if (null !== $object->blinkColor) {
-            $data['blinkColor'] = $object->blinkColor;
+            $data['blinkColor'] = $object->blinkColor->hex();
         }
 
         if (null !== $object->serial1) {
diff --git a/src/Pass/Samsung/Normalizer/GiftCard/GiftCardAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/GiftCard/GiftCardAttributesNormalizer.php
index 92f48f7..9e08b46 100644
--- a/src/Pass/Samsung/Normalizer/GiftCard/GiftCardAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/GiftCard/GiftCardAttributesNormalizer.php
@@ -53,11 +53,11 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->bgColor) {
-            $data['bgColor'] = $object->bgColor;
+            $data['bgColor'] = $object->bgColor->hex();
         }
 
         if (null !== $object->fontColor) {
-            $data['fontColor'] = $object->fontColor;
+            $data['fontColor'] = $object->fontColor->hex();
         }
 
         if (null !== $object->bgImage) {
@@ -69,7 +69,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->blinkColor) {
-            $data['blinkColor'] = $object->blinkColor;
+            $data['blinkColor'] = $object->blinkColor->hex();
         }
 
         if (null !== $object->noticeDesc) {
diff --git a/src/Pass/Samsung/Normalizer/Loyalty/LoyaltyAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/Loyalty/LoyaltyAttributesNormalizer.php
index 8f6be1c..114578f 100644
--- a/src/Pass/Samsung/Normalizer/Loyalty/LoyaltyAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/Loyalty/LoyaltyAttributesNormalizer.php
@@ -49,11 +49,11 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->bgColor) {
-            $data['bgColor'] = $object->bgColor;
+            $data['bgColor'] = $object->bgColor->hex();
         }
 
         if (null !== $object->fontColor) {
-            $data['fontColor'] = $object->fontColor;
+            $data['fontColor'] = $object->fontColor->hex();
         }
 
         if (null !== $object->bgImage) {
@@ -61,7 +61,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->blinkColor) {
-            $data['blinkColor'] = $object->blinkColor;
+            $data['blinkColor'] = $object->blinkColor->hex();
         }
 
         if (null !== $object->noticeDesc) {
diff --git a/src/Pass/Samsung/Normalizer/PayAsYouGo/PayAsYouGoAttributesNormalizer.php b/src/Pass/Samsung/Normalizer/PayAsYouGo/PayAsYouGoAttributesNormalizer.php
index 57710b0..542240f 100644
--- a/src/Pass/Samsung/Normalizer/PayAsYouGo/PayAsYouGoAttributesNormalizer.php
+++ b/src/Pass/Samsung/Normalizer/PayAsYouGo/PayAsYouGoAttributesNormalizer.php
@@ -58,11 +58,11 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->bgColor) {
-            $data['bgColor'] = $object->bgColor;
+            $data['bgColor'] = $object->bgColor->hex();
         }
 
         if (null !== $object->fontColor) {
-            $data['fontColor'] = $object->fontColor;
+            $data['fontColor'] = $object->fontColor->hex();
         }
 
         if (null !== $object->bgImage) {
@@ -70,7 +70,7 @@ public function normalize(mixed $object, ?string $format = null, array $context
         }
 
         if (null !== $object->blinkColor) {
-            $data['blinkColor'] = $object->blinkColor;
+            $data['blinkColor'] = $object->blinkColor->hex();
         }
 
         if (null !== $object->csInfo) {
diff --git a/tests/Builder/DualWalletBuilderTest.php b/tests/Builder/DualWalletBuilderTest.php
index c984404..8237540 100644
--- a/tests/Builder/DualWalletBuilderTest.php
+++ b/tests/Builder/DualWalletBuilderTest.php
@@ -7,6 +7,7 @@
 use Jolicode\WalletKit\Builder\GoogleVerticalEnum;
 use Jolicode\WalletKit\Builder\WalletPass;
 use Jolicode\WalletKit\Builder\WalletPlatformContext;
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Exception\ApplePassNotAvailableException;
 use Jolicode\WalletKit\Exception\GoogleWalletPairNotAvailableException;
 use Jolicode\WalletKit\Exception\SamsungCardNotAvailableException;
@@ -65,7 +66,7 @@ public function testGenericBuildNormalizes(): void
             ->withGenericType(GenericTypeEnum::UNSPECIFIED)
             ->withGoogleCardTitle('Card')
             ->addAppleBarcode(new Barcode(altText: 'x', format: BarcodeFormatEnum::QR, message: 'M1', messageEncoding: 'utf-8'))
-            ->withGoogleHexBackgroundColor('#112233')
+            ->withBackgroundColor(Color::fromHex('#112233'))
             ->withGrouping('grp', 1)
             ->build();
 
@@ -92,7 +93,7 @@ public function testOfferBuildNormalizes(): void
             'Example Provider',
             RedemptionChannelEnum::BOTH,
         )
-            ->withBackgroundColorRgb('rgb(10, 20, 30)')
+            ->withBackgroundColor(Color::fromRgb(10, 20, 30))
             ->build();
 
         self::assertSame(PassTypeEnum::COUPON, $built->apple()->passType);
diff --git a/tests/ColorTest.php b/tests/ColorTest.php
new file mode 100644
index 0000000..97006b1
--- /dev/null
+++ b/tests/ColorTest.php
@@ -0,0 +1,116 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jolicode\WalletKit\Tests;
+
+use Jolicode\WalletKit\Common\Color;
+use Jolicode\WalletKit\Exception\InvalidColorException;
+use PHPUnit\Framework\TestCase;
+
+final class ColorTest extends TestCase
+{
+    public function testFromRgb(): void
+    {
+        $color = Color::fromRgb(22, 55, 110);
+
+        self::assertSame('rgb(22, 55, 110)', $color->rgb());
+        self::assertSame('#16376e', $color->hex());
+    }
+
+    public function testFromHex(): void
+    {
+        $color = Color::fromHex('#16376e');
+
+        self::assertSame('rgb(22, 55, 110)', $color->rgb());
+        self::assertSame('#16376e', $color->hex());
+    }
+
+    public function testFromHexUppercase(): void
+    {
+        $color = Color::fromHex('#FF6B35');
+
+        self::assertSame('rgb(255, 107, 53)', $color->rgb());
+        self::assertSame('#ff6b35', $color->hex());
+    }
+
+    public function testFromHexAllHexDigitsUppercase(): void
+    {
+        $color = Color::fromHex('#ABCDEF');
+
+        self::assertSame('rgb(171, 205, 239)', $color->rgb());
+        self::assertSame('#abcdef', $color->hex());
+    }
+
+    public function testFromRgbString(): void
+    {
+        $color = Color::fromRgbString('rgb(10, 20, 30)');
+
+        self::assertSame('rgb(10, 20, 30)', $color->rgb());
+        self::assertSame('#0a141e', $color->hex());
+    }
+
+    public function testRoundTripRgbToHex(): void
+    {
+        $original = Color::fromRgb(255, 128, 0);
+        $roundTripped = Color::fromHex($original->hex());
+
+        self::assertSame($original->rgb(), $roundTripped->rgb());
+        self::assertSame($original->hex(), $roundTripped->hex());
+    }
+
+    public function testRoundTripHexToRgb(): void
+    {
+        $original = Color::fromHex('#4a2f1b');
+        $roundTripped = Color::fromRgbString($original->rgb());
+
+        self::assertSame($original->rgb(), $roundTripped->rgb());
+        self::assertSame($original->hex(), $roundTripped->hex());
+    }
+
+    public function testFromRgbInvalidRange(): void
+    {
+        $this->expectException(InvalidColorException::class);
+        Color::fromRgb(256, 0, 0);
+    }
+
+    public function testFromRgbNegative(): void
+    {
+        $this->expectException(InvalidColorException::class);
+        Color::fromRgb(-1, 0, 0);
+    }
+
+    public function testFromHexInvalidFormat(): void
+    {
+        $this->expectException(InvalidColorException::class);
+        Color::fromHex('not-a-color');
+    }
+
+    public function testFromHexMissingHash(): void
+    {
+        $this->expectException(InvalidColorException::class);
+        Color::fromHex('ff6b35');
+    }
+
+    public function testFromRgbStringInvalidFormat(): void
+    {
+        $this->expectException(InvalidColorException::class);
+        Color::fromRgbString('not-rgb');
+    }
+
+    public function testBlack(): void
+    {
+        $color = Color::fromRgb(0, 0, 0);
+
+        self::assertSame('rgb(0, 0, 0)', $color->rgb());
+        self::assertSame('#000000', $color->hex());
+    }
+
+    public function testWhite(): void
+    {
+        $color = Color::fromRgb(255, 255, 255);
+
+        self::assertSame('rgb(255, 255, 255)', $color->rgb());
+        self::assertSame('#ffffff', $color->hex());
+    }
+}
diff --git a/tests/Pass/Android/Normalizer/EventTicketNormalizerTest.php b/tests/Pass/Android/Normalizer/EventTicketNormalizerTest.php
index bca6691..f1a6378 100644
--- a/tests/Pass/Android/Normalizer/EventTicketNormalizerTest.php
+++ b/tests/Pass/Android/Normalizer/EventTicketNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Android\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\EventTicket\EventReservationInfo;
 use Jolicode\WalletKit\Pass\Android\Model\EventTicket\EventSeat;
 use Jolicode\WalletKit\Pass\Android\Model\EventTicket\EventTicketClass;
@@ -162,7 +163,7 @@ public function testEventTicketPass(): void
             reviewStatus: ReviewStatusEnum::APPROVED,
             localizedEventName: new LocalizedString(new TranslatedString('en', 'Rock Concert 2025')),
             eventId: 'EVT-001',
-            hexBackgroundColor: '#1A1A2E',
+            hexBackgroundColor: Color::fromHex('#1A1A2E'),
             countryCode: 'US',
             logo: new Image(new ImageUri('https://example.com/logo.png')),
             heroImage: new Image(new ImageUri('https://example.com/hero.png')),
@@ -195,7 +196,7 @@ classId: 'event-class-1',
             ticketType: new LocalizedString(new TranslatedString('en', 'VIP')),
             faceValue: new Money('15000000', 'USD'),
             groupingInfo: new GroupingInfo('event-group', 1),
-            hexBackgroundColor: '#1A1A2E',
+            hexBackgroundColor: Color::fromHex('#1A1A2E'),
             barcode: new Barcode(BarcodeTypeEnum::QR_CODE, 'EVT1234567890', 'Event Ticket', BarcodeRenderEncodingEnum::UTF_8),
             messages: [new Message('Reminder', 'Concert is tomorrow!', 'msg-1')],
             validTimeInterval: new TimeInterval(new GoogleDateTime('2025-07-20T00:00:00Z'), new GoogleDateTime('2025-07-21T00:00:00Z')),
diff --git a/tests/Pass/Android/Normalizer/FlightNormalizerTest.php b/tests/Pass/Android/Normalizer/FlightNormalizerTest.php
index 90e6342..16fca76 100644
--- a/tests/Pass/Android/Normalizer/FlightNormalizerTest.php
+++ b/tests/Pass/Android/Normalizer/FlightNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Android\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Flight\AirportInfo;
 use Jolicode\WalletKit\Pass\Android\Model\Flight\BoardingAndSeatingInfo;
 use Jolicode\WalletKit\Pass\Android\Model\Flight\BoardingDoorEnum;
@@ -190,7 +191,7 @@ public function testFlightPass(): void
             localBoardingDateTime: '2025-08-15T09:30',
             boardingPolicy: BoardingPolicyEnum::ZONE_BASED,
             seatClassPolicy: SeatClassPolicyEnum::CABIN_BASED,
-            hexBackgroundColor: '#003366',
+            hexBackgroundColor: Color::fromHex('#003366'),
             countryCode: 'FR',
             heroImage: new Image(new ImageUri('https://example.com/flight-hero.png')),
             messages: [new Message('Flight Update', 'Gate changed to K32', 'msg-1', MessageTypeEnum::TEXT_AND_NOTIFY)],
@@ -221,7 +222,7 @@ classId: 'flight-class-1',
             reservationInfo: $reservationInfo,
             boardingAndSeatingInfo: $boardingInfo,
             barcode: new Barcode(BarcodeTypeEnum::QR_CODE, 'M1DUPONT/JEAN  ABC123 CDGJFK AF 0123', null, BarcodeRenderEncodingEnum::UTF_8),
-            hexBackgroundColor: '#003366',
+            hexBackgroundColor: Color::fromHex('#003366'),
             heroImage: new Image(new ImageUri('https://example.com/flight-hero.png')),
             groupingInfo: new GroupingInfo('flight-group', 1),
         );
diff --git a/tests/Pass/Android/Normalizer/GenericNormalizerTest.php b/tests/Pass/Android/Normalizer/GenericNormalizerTest.php
index 8f3113d..9f9d21c 100644
--- a/tests/Pass/Android/Normalizer/GenericNormalizerTest.php
+++ b/tests/Pass/Android/Normalizer/GenericNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Android\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Generic\ExpiryNotification;
 use Jolicode\WalletKit\Pass\Android\Model\Generic\GenericClass;
 use Jolicode\WalletKit\Pass\Android\Model\Generic\GenericObject;
@@ -203,7 +204,7 @@ classId: 'generic-class-001',
             header: new LocalizedString(new TranslatedString('en', 'John Doe')),
             logo: $image,
             wideLogo: new Image(new ImageUri('https://example.com/wide-logo.png')),
-            hexBackgroundColor: '#4285F4',
+            hexBackgroundColor: Color::fromHex('#4285F4'),
             notifications: new Notifications(
                 expiryNotification: new ExpiryNotification(true),
                 upcomingNotification: new UpcomingNotification(true),
@@ -277,7 +278,7 @@ classId: 'generic-class-001',
         self::assertSame('generic-object-001', $objectData['id']);
         self::assertSame('generic-class-001', $objectData['classId']);
         self::assertSame('GENERIC_GYM_MEMBERSHIP', $objectData['genericType']);
-        self::assertSame('#4285F4', $objectData['hexBackgroundColor']);
+        self::assertSame('#4285f4', $objectData['hexBackgroundColor']);
         self::assertSame('ACTIVE', $objectData['state']);
         self::assertSame('smart-tap-123', $objectData['smartTapRedemptionValue']);
         self::assertSame(['linked-obj-1', 'linked-obj-2'], $objectData['linkedObjectIds']);
diff --git a/tests/Pass/Android/Normalizer/GiftCardNormalizerTest.php b/tests/Pass/Android/Normalizer/GiftCardNormalizerTest.php
index 2e58dc0..4c617d0 100644
--- a/tests/Pass/Android/Normalizer/GiftCardNormalizerTest.php
+++ b/tests/Pass/Android/Normalizer/GiftCardNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Android\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\GiftCard\GiftCardClass;
 use Jolicode\WalletKit\Pass\Android\Model\GiftCard\GiftCardObject;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
@@ -164,7 +165,7 @@ public function testGiftCardPass(): void
             allowBarcodeRedemption: true,
             localizedMerchantName: new LocalizedString(new TranslatedString('en', 'Gift Store')),
             cardNumberLabel: 'Card Number',
-            hexBackgroundColor: '#FF6600',
+            hexBackgroundColor: Color::fromHex('#FF6600'),
             heroImage: new Image(new ImageUri('https://example.com/hero.png')),
             enableSmartTap: false,
             securityAnimation: new SecurityAnimation(SecurityAnimationTypeEnum::FOIL_SHIMMER),
@@ -183,7 +184,7 @@ classId: 'giftcard-class-1',
             balanceUpdateTime: new GoogleDateTime('2025-06-15T10:30:00Z'),
             eventNumber: 'ORD-001',
             barcode: new Barcode(BarcodeTypeEnum::QR_CODE, 'GIFT1234567890', 'Gift Card', BarcodeRenderEncodingEnum::UTF_8),
-            hexBackgroundColor: '#FF6600',
+            hexBackgroundColor: Color::fromHex('#FF6600'),
             messages: [new Message('Balance Update', 'Your balance was updated', 'msg-1')],
             validTimeInterval: new TimeInterval(new GoogleDateTime('2025-01-01T00:00:00Z'), new GoogleDateTime('2026-01-01T00:00:00Z')),
             heroImage: new Image(new ImageUri('https://example.com/hero.png')),
diff --git a/tests/Pass/Android/Normalizer/LoyaltyNormalizerTest.php b/tests/Pass/Android/Normalizer/LoyaltyNormalizerTest.php
index 3733f26..3006dc0 100644
--- a/tests/Pass/Android/Normalizer/LoyaltyNormalizerTest.php
+++ b/tests/Pass/Android/Normalizer/LoyaltyNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Android\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Loyalty\LoyaltyClass;
 use Jolicode\WalletKit\Pass\Android\Model\Loyalty\LoyaltyObject;
 use Jolicode\WalletKit\Pass\Android\Model\Loyalty\LoyaltyPoints;
@@ -183,7 +184,7 @@ public function testLoyaltyPass(): void
             localizedProgramName: new LocalizedString(new TranslatedString('en', 'Coffee Rewards')),
             programLogo: $image,
             wideProgramLogo: new Image(new ImageUri('https://example.com/wide-logo.png')),
-            hexBackgroundColor: '#4A2F1B',
+            hexBackgroundColor: Color::fromHex('#4A2F1B'),
             localizedIssuerName: new LocalizedString(new TranslatedString('en', 'Coffee Rewards Inc.')),
             countryCode: 'US',
             heroImage: new Image(new ImageUri('https://example.com/hero.png'), new LocalizedString(new TranslatedString('en', 'Hero'))),
@@ -223,7 +224,7 @@ classId: 'loyalty-class-001',
                 alternateText: 'LOYALTY123',
                 renderEncoding: BarcodeRenderEncodingEnum::UTF_8,
             ),
-            hexBackgroundColor: '#4A2F1B',
+            hexBackgroundColor: Color::fromHex('#4A2F1B'),
             messages: $messages,
             validTimeInterval: new TimeInterval(
                 new GoogleDateTime('2025-01-01T00:00:00Z'),
@@ -252,7 +253,7 @@ classId: 'loyalty-class-001',
         self::assertSame('Coffee Rewards Inc.', $classData['issuerName']);
         self::assertSame('APPROVED', $classData['reviewStatus']);
         self::assertSame('Coffee Rewards', $classData['programName']);
-        self::assertSame('#4A2F1B', $classData['hexBackgroundColor']);
+        self::assertSame('#4a2f1b', $classData['hexBackgroundColor']);
         self::assertSame('US', $classData['countryCode']);
         self::assertTrue($classData['enableSmartTap']);
         self::assertSame(['issuer-1'], $classData['redemptionIssuers']);
@@ -299,7 +300,7 @@ classId: 'loyalty-class-001',
         self::assertSame('ACTIVE', $objectData['state']);
         self::assertSame('Jane Doe', $objectData['accountName']);
         self::assertSame('ACCT-12345', $objectData['accountId']);
-        self::assertSame('#4A2F1B', $objectData['hexBackgroundColor']);
+        self::assertSame('#4a2f1b', $objectData['hexBackgroundColor']);
         self::assertSame('loyalty-redeem-123', $objectData['smartTapRedemptionValue']);
         self::assertFalse($objectData['disableExpirationNotification']);
         self::assertSame(['offer-1', 'offer-2'], $objectData['linkedOfferIds']);
diff --git a/tests/Pass/Android/Normalizer/OfferNormalizerTest.php b/tests/Pass/Android/Normalizer/OfferNormalizerTest.php
index dc8d595..1bca8e8 100644
--- a/tests/Pass/Android/Normalizer/OfferNormalizerTest.php
+++ b/tests/Pass/Android/Normalizer/OfferNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Android\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Offer\OfferClass;
 use Jolicode\WalletKit\Pass\Android\Model\Offer\OfferObject;
 use Jolicode\WalletKit\Pass\Android\Model\Offer\RedemptionChannelEnum;
@@ -192,7 +193,7 @@ public function testOfferPass(): void
             localizedFinePrint: new LocalizedString(new TranslatedString('en', 'Cannot be combined with other offers.')),
             shortTitle: '20% Off',
             localizedShortTitle: new LocalizedString(new TranslatedString('en', '20% Off')),
-            hexBackgroundColor: '#FF6B35',
+            hexBackgroundColor: Color::fromHex('#FF6B35'),
             localizedIssuerName: new LocalizedString(new TranslatedString('en', 'Deal Store')),
             countryCode: 'US',
             heroImage: new Image(new ImageUri('https://example.com/hero.png'), new LocalizedString(new TranslatedString('en', 'Hero'))),
@@ -220,7 +221,7 @@ classId: 'offer-class-001',
                 alternateText: 'OFFER20PCT',
                 renderEncoding: BarcodeRenderEncodingEnum::UTF_8,
             ),
-            hexBackgroundColor: '#FF6B35',
+            hexBackgroundColor: Color::fromHex('#FF6B35'),
             messages: $messages,
             validTimeInterval: new TimeInterval(
                 new GoogleDateTime('2025-06-01T00:00:00Z'),
@@ -254,7 +255,7 @@ classId: 'offer-class-001',
         self::assertSame('Get 20% off on all items in store and online.', $classData['details']);
         self::assertSame('Cannot be combined with other offers. Valid until Dec 31.', $classData['finePrint']);
         self::assertSame('20% Off', $classData['shortTitle']);
-        self::assertSame('#FF6B35', $classData['hexBackgroundColor']);
+        self::assertSame('#ff6b35', $classData['hexBackgroundColor']);
         self::assertSame('US', $classData['countryCode']);
         self::assertTrue($classData['enableSmartTap']);
         self::assertSame(['issuer-1'], $classData['redemptionIssuers']);
@@ -315,7 +316,7 @@ classId: 'offer-class-001',
         self::assertSame('offer-object-001', $objectData['id']);
         self::assertSame('offer-class-001', $objectData['classId']);
         self::assertSame('ACTIVE', $objectData['state']);
-        self::assertSame('#FF6B35', $objectData['hexBackgroundColor']);
+        self::assertSame('#ff6b35', $objectData['hexBackgroundColor']);
         self::assertSame('offer-redeem-001', $objectData['smartTapRedemptionValue']);
         self::assertFalse($objectData['disableExpirationNotification']);
         self::assertSame(['linked-1', 'linked-2'], $objectData['linkedObjectIds']);
diff --git a/tests/Pass/Android/Normalizer/TransitNormalizerTest.php b/tests/Pass/Android/Normalizer/TransitNormalizerTest.php
index eda76fd..78b692a 100644
--- a/tests/Pass/Android/Normalizer/TransitNormalizerTest.php
+++ b/tests/Pass/Android/Normalizer/TransitNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Android\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\Barcode;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\BarcodeRenderEncodingEnum;
 use Jolicode\WalletKit\Pass\Android\Model\Shared\BarcodeTypeEnum;
@@ -167,7 +168,7 @@ public function testTransitPass(): void
             localizedIssuerName: new LocalizedString(new TranslatedString('en', 'Metro Transit')),
             transitOperatorName: new LocalizedString(new TranslatedString('en', 'Metro Rail')),
             logo: new Image(new ImageUri('https://example.com/metro-logo.png')),
-            hexBackgroundColor: '#004D40',
+            hexBackgroundColor: Color::fromHex('#004D40'),
             countryCode: 'US',
             heroImage: new Image(new ImageUri('https://example.com/metro-hero.png')),
             enableSingleLegItinerary: true,
@@ -230,7 +231,7 @@ classId: 'transit-class-1',
             purchaseDetails: $purchaseDetails,
             ticketLeg: $ticketLeg,
             ticketLegs: [$ticketLeg],
-            hexBackgroundColor: '#004D40',
+            hexBackgroundColor: Color::fromHex('#004D40'),
             barcode: new Barcode(BarcodeTypeEnum::QR_CODE, 'TRANSIT001', 'Metro Ticket', BarcodeRenderEncodingEnum::UTF_8),
             activationStatus: new ActivationStatus(ActivationStateEnum::ACTIVATED),
             heroImage: new Image(new ImageUri('https://example.com/metro-hero.png')),
diff --git a/tests/Pass/Apple/Normalizer/PassNormalizerTest.php b/tests/Pass/Apple/Normalizer/PassNormalizerTest.php
index dec1c9d..28581e5 100644
--- a/tests/Pass/Apple/Normalizer/PassNormalizerTest.php
+++ b/tests/Pass/Apple/Normalizer/PassNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Apple\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Apple\Model\Barcode;
 use Jolicode\WalletKit\Pass\Apple\Model\BarcodeFormatEnum;
 use Jolicode\WalletKit\Pass\Apple\Model\Beacon;
@@ -116,9 +117,9 @@ public function testBoardingPass(): void
             ],
             webServiceURL: 'https://example.com/passes/',
             authenticationToken: 'auth-token-123',
-            backgroundColor: 'rgb(22, 55, 110)',
-            foregroundColor: 'rgb(255, 255, 255)',
-            labelColor: 'rgb(200, 200, 200)',
+            backgroundColor: Color::fromRgb(22, 55, 110),
+            foregroundColor: Color::fromRgb(255, 255, 255),
+            labelColor: Color::fromRgb(200, 200, 200),
             logoText: 'Example Airlines',
             relevantDate: '2026-04-03T09:00-07:00',
             locations: [
@@ -264,8 +265,8 @@ public function testCoupon(): void
             barcodes: [
                 new Barcode(altText: null, format: BarcodeFormatEnum::CODE_128, message: 'CPN001', messageEncoding: 'iso-8859-1'),
             ],
-            backgroundColor: 'rgb(34, 107, 72)',
-            foregroundColor: 'rgb(245, 237, 95)',
+            backgroundColor: Color::fromRgb(34, 107, 72),
+            foregroundColor: Color::fromRgb(245, 237, 95),
             logoText: 'My Shop',
             expirationDate: '2026-12-31T23:59-05:00',
             locations: [
@@ -345,9 +346,9 @@ public function testEventTicket(): void
             barcodes: [
                 new Barcode(altText: null, format: BarcodeFormatEnum::AZTEC, message: 'EVT001SEAT9', messageEncoding: 'iso-8859-1'),
             ],
-            backgroundColor: 'rgb(215, 154, 172)',
-            foregroundColor: 'rgb(255, 255, 255)',
-            labelColor: 'rgb(255, 255, 255)',
+            backgroundColor: Color::fromRgb(215, 154, 172),
+            foregroundColor: Color::fromRgb(255, 255, 255),
+            labelColor: Color::fromRgb(255, 255, 255),
             groupingIdentifier: 'Opening night',
             relevantDates: [
                 new RelevantDate(startDate: '2026-08-10T18:00-06:00', endDate: '2026-08-10T23:00-06:00'),
@@ -460,8 +461,8 @@ public function testGeneric(): void
             ],
             webServiceURL: 'https://example.com/passes/',
             authenticationToken: 'xyz-token',
-            backgroundColor: 'rgb(245, 197, 67)',
-            foregroundColor: 'rgb(0, 0, 0)',
+            backgroundColor: Color::fromRgb(245, 197, 67),
+            foregroundColor: Color::fromRgb(0, 0, 0),
             logoText: 'My Gym',
             locations: [
                 new Location(latitude: 37.3318, longitude: -122.0312),
@@ -547,8 +548,8 @@ public function testStoreCard(): void
             ),
             associatedStoreIdentifiers: [123456789],
             appLaunchURL: 'myapp://loyalty/SC-001',
-            backgroundColor: 'rgb(24, 44, 82)',
-            foregroundColor: 'rgb(222, 173, 40)',
+            backgroundColor: Color::fromRgb(24, 44, 82),
+            foregroundColor: Color::fromRgb(222, 173, 40),
             logoText: 'My Coffee Shop',
             voided: false,
             semantics: new SemanticTags(
diff --git a/tests/Pass/Samsung/Normalizer/SamsungNormalizerTest.php b/tests/Pass/Samsung/Normalizer/SamsungNormalizerTest.php
index 5ddc024..a899f69 100644
--- a/tests/Pass/Samsung/Normalizer/SamsungNormalizerTest.php
+++ b/tests/Pass/Samsung/Normalizer/SamsungNormalizerTest.php
@@ -4,6 +4,7 @@
 
 namespace Jolicode\WalletKit\Tests\Pass\Samsung\Normalizer;
 
+use Jolicode\WalletKit\Common\Color;
 use Jolicode\WalletKit\Pass\Samsung\Model\BoardingPass\BoardingPassAttributes;
 use Jolicode\WalletKit\Pass\Samsung\Model\Card;
 use Jolicode\WalletKit\Pass\Samsung\Model\CardData;
@@ -62,7 +63,7 @@ public function testBoardingPassCard(): void
         $attributes = new BoardingPassAttributes(
             title: 'Flight ZZ412',
             providerName: 'Example Airlines',
-            bgColor: '#1E3C5A',
+            bgColor: Color::fromHex('#1E3C5A'),
             appLinkLogo: 'https://example.com/logo.png',
             appLinkName: 'Example Airlines',
             appLinkData: 'https://example.com',
@@ -97,7 +98,7 @@ public function testBoardingPassCard(): void
         $attrs = $cardData['attributes'];
         self::assertSame('Flight ZZ412', $attrs['title']);
         self::assertSame('Example Airlines', $attrs['providerName']);
-        self::assertSame('#1E3C5A', $attrs['bgColor']);
+        self::assertSame('#1e3c5a', $attrs['bgColor']);
         self::assertSame('Jordan Smith', $attrs['user']);
         self::assertSame('ZZ412', $attrs['vehicleNumber']);
         self::assertSame('14A', $attrs['seatNumber']);
@@ -126,7 +127,7 @@ public function testEventTicketCard(): void
             appLinkName: 'Festival App',
             appLinkData: 'https://example.com',
             holderName: 'Sam Rivera',
-            bgColor: '#FF6B35',
+            bgColor: Color::fromHex('#FF6B35'),
             locations: [new Location(48.8566, 2.3522, '123 Rue Example', 'Venue')],
             preventCapture: false,
             noNetworkSupport: true,
@@ -146,7 +147,7 @@ public function testEventTicketCard(): void
         $attrs = $data['card']['data'][0]['attributes'];
         self::assertSame('Indie Fest 2026', $attrs['title']);
         self::assertSame('Sam Rivera', $attrs['holderName']);
-        self::assertSame('#FF6B35', $attrs['bgColor']);
+        self::assertSame('#ff6b35', $attrs['bgColor']);
         self::assertSame('N', $attrs['preventCaptureYn']);
         self::assertSame('Y', $attrs['noNetworkSupportYn']);
         self::assertCount(1, $attrs['locations']);