Increasing contrast of containter icons

I just updated to v.157.0 (Win 11) and added the proton extension to return the theme to grey. However, no changes I have made will return the container tab menu colors to be vivid as they were prior to this update. Because of the number of containers I have, I am using all of the icons more than once and the colors are now very dark. I don't need to change the colors of any aspect beyond the containers' menu, however, I did attempt choosing custom colors under accessibility with no results to the container hues. The colors of the tabs themselves continue to be bright. It's choosing from the drop down menu and in the 'manage containers' screen that I am trying to adjust.