diff --git a/custom/Global.ColorAlpha.lua b/custom/Global.ColorAlpha.lua
new file mode 100644
index 0000000..42b68ea
--- /dev/null
+++ b/custom/Global.ColorAlpha.lua
@@ -0,0 +1,8 @@
+---Returns a new [Color](https://wiki.facepunch.com/gmod/Color) with the RGB components of the given [Color](https://wiki.facepunch.com/gmod/Color) and the alpha value specified.
+---@realm shared
+---@realm menu
+---@source https://wiki.facepunch.com/gmod/Global.ColorAlpha
+---@param color Color The Color from which to take RGB values. This color will not be modified.
+---@param alpha number The new alpha value, a number between 0 and 255. Values above 255 will be clamped.
+---@return Color # The new Color with the modified alpha value
+function _G.ColorAlpha(color, alpha) end
diff --git a/custom/Global.ColorRand.lua b/custom/Global.ColorRand.lua
new file mode 100644
index 0000000..fe9534d
--- /dev/null
+++ b/custom/Global.ColorRand.lua
@@ -0,0 +1,7 @@
+---Creates a [Color](https://wiki.facepunch.com/gmod/Color) with randomized red, green, and blue components. If the alpha argument is true, alpha will also be randomized.
+---@realm shared
+---@realm menu
+---@source https://wiki.facepunch.com/gmod/Global.ColorRand
+---@param a? boolean Should alpha be randomized.
+---@return Color # The created Color.
+function _G.ColorRand(a) end