There’s plenty of links and sources in this one. Not quite Wikipedia quality in my opinion, but still, one quick search. You a clearly not looking if I could find one in 5(ish) seconds, while you demand sources. I would like you to give source(s) for your opinion now. While it is more of an article about if they were racist, it does explore their skin tone. They were not white, nor were they black; they were somewhere in between. https://lucas.leeds.ac.uk/article/skin-colour-in-ancient-greece/