If you insist on colour, you should also insist on *favourite - the British way. Or, as I have written, favorite and color are also possible (and preferred in the USA). Don't argue with someone who's not a native speaker - my grammar is better than yours :D
You're claiming you have better grammar even though I made a mistake without an apostrophe in my comment. And of course I say 'favourite' I'm not even American you munter.
HE'S SO CUTE