Yes, those groups are all typically considered white by pigmentation except the ones that are Indian brown, including light skinned romani people. Just like light skinned gay people would be generally considered white, or ethnic Jews who are light complected.

The boundary between black (or brown, yellow, red, purple, or green) and white is not black and white, but the social implications can be pretty cut and dry if you find yourself strongly in one category or another in many parts of the world.

Trying to assign someone as “Asian” is a somewhat more difficult task with more nuance, skin color though is pretty straightforward. You can google peter griffin skin color chart and figure it out.