Windows 11 gives you the option to personalize the color and accent color of a variety of surfaces you see when you use Windows.
Windows 11 employs color to help users focus on their tasks by indicating a visual hierarchy and structure between user interface elements. Color is context appropriate and used to provide a calming foundation, subtly enhancing user interactions and emphasizing significant items only when necessary.
I will also suggest you to post feedback abou UI Elements in Windows 11 using below steps.
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