The bug here is the colouring of the panel colors using Palette value rather than setting the bg colour of the panel. Unfortunately we did not receive any colouring guides from UX for dark themes, only for Ambiance.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1451225 Title: Cannot set background colour for overflow of leading/trailing actions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui-toolkit/+bug/1451225/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs