TdxRibbonColorGalleryItem uses different colors as TdxColorGallery. Some colors are also equal. This happens for all skins. Check Colors.png
TdxRibbonColorGalleryItem - The color palette includes matching theme colors
Answers approved by DevExpress Support
We have fixed the issue described in this ticket and will include the fix in our next maintenance update. To apply this solution before the official update, request a hotfix by clicking the corresponding link for product versions you require.
Note: Hotfixes may be unavailable for beta versions and updates that are about to be released.
Hello Thomas,
Thank you for your tests. I have reproduced the described behavior and forwarded this ticket to our developers for research.