British English.
rouge in english is red
Red
Grey
pala pitta
elle a les cheveux (colour) = she has (colour) hair
Only British English uses the spelling colour.His favorite color was red.She painted using pastel colours.Complimentary colours go together well.Note: American English spells it color. British English uses colour.
White
Colour is European English, Color is American English.
It is 'iro.'
yellow
You may have a different colour skin than white (not all people with a different skin colour aren't English though), different shaped eyes... etc.