I don't think anyone is a true "gammon" really, people are mostly pretty complex.
This is way off-topic but generally speaking I think there is too much focus on skin colour in general in the modern climate. White people can be racist to other white people of course - Jews are white and have been persecuted by other white people for much of their history. Germanic people historically were quite racist towards Slavic people. Anglo-Saxon English people were racist toward Celtic Irish or Scottish people.
Skin colours are incredibly broad. A black person is as diverse as an Australian aboriginal, to a west Indian, to someone from London. Which is why I find the idea black-people have some sort of shared history in "black history month" so utterly bizarre.
To me, there is no such thing as "white history", and why would I even want to look at history through such a racial lens? Icelandic people have a totally different history to a Russian, Bulgarian, American etc white person. I know the intentions are to somehow stop racism, but it is real stupidity.