install dconf-tools run 'dconf-editor' select org.gnome.desktop.background run gnome-control-center, select background color.
dconf Editor immediately show changed values : Name: primary-color Value:rgb(138,226,52) Type: String Default: '#023c88' Name: secondary-color Value: rgb(206,92,0) Type: String Default: '#5789ca' default color value is '#RRGGBB' style, but gnome-control-center set 'rgb(dd,dd,dd)' style. close gnome-control-center, set '#RRGGBB' manually via dconf-editor, then Desktop background color change successfully. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1138251 Title: Desktop wallpaper Colors & Gradients will not change color To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1138251/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs