That is something I don't know. What I know is that it is said "color" in American English and "colour" in Commonwealth English.
Yes red is primary colour.What about pink colour are you like that
Red is my favorite color.  My house, car, and clothes are all red. Nice, do you also like orange? Red is next to orange in the visible light spectrum Yes, I do. What else do you know about red? Well, I'm also aware that it is opposite to violet in the spectrum. It's also the first color in the rainbow, right?
Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color ''categories'', with names such as red, blue, yellow, green, orange, or purple.