Reverse Colors or Colours
I noticed "Reverse Colors" (without u) and "Reverse Colours" (with u) being used in the translations:
https://gitlab.gnome.org/World/design/contrast/-/blob/master/src/window.rs#L91 https://gitlab.gnome.org/World/design/contrast/-/blob/master/data/resources/ui/shortcuts.ui#L17
I guess maybe it should be the same whatever is prefered.