I'm also seeing this. There are popular GNOME apps that recommend installing them as Flatpak so it could generate some inconsistency. Extension Manager is a full GTK 4 app and it doesn't respect the system choice.
** Attachment added: "flatpak app doesnt respect accent color.png" https://bugs.launchpad.net/ubuntu/+source/yaru-theme/+bug/1970282/+attachment/5584809/+files/flatpak%20app%20doesnt%20respect%20accent%20color.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970282 Title: Flatpak apps are not properly themed if a accent color other than the default is choosed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/yaru-theme/+bug/1970282/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs