bug: contrast-plugin text has not sufficient contrast

[MarcusMorba]

Steps To Reproduce

1. Install an open Contrast-Plugin
2. Create two rectangles and select them
3. Check Display in the Plugin
4. Get aware the the grey text on dark grey blackground has not sufficient contrast.

Expected behavior

Text contrast in the plugin-UI is minimum 4.5:1.

Actual behavior

Text contrast in the plugin-UI is below 4.5:1.

Screenshots or video

Desktop (please complete the following information)

Windows 11 / Chrome / Light-Theme

Smartphone (please complete the following information)

No response

Environment (please complete the following information)

No response

Frontend Stack Trace

Backend Stack Trace

Additional context

No response