why are some colours commonly found as surnames (white, brown, green) but not others (red, blue, yellow)

Question

And furthermore how does language play a part – I know red (rojas/rossi) is a Spanish and Italian surname but not English

In: 2480

Answer 1

It’s funny you bring this up because I was watching a movie yesterday and was surprised to see someone in the intro credits had the last name “Purple” which I’ve never seen before.