which one is correct- favorite or favourite ; color or colour?

Question

which one is correct-  favorite or favourite ; color or colour?

Answer

Both.
American English - favorite, color
British English - favourite, colour

Answer

Both are correct!  But stay consistent.

Favourite colour = correct
Favorite color = correct

BUT

Favourite color / Favorite colour = completely wrong.  Don't mix them.

Answer

The first variant is America English and the second one is British English. They are all correct.