The pharohs were black. They were African. But Egypt controlled North Africa, along with parts of Greece, parts of Rome, and the Middle east at times. (I’m pretty sure. Egypt isn’t really my concentration but I know they had some conquests outside of Africa.)
So not everyone was black. There were white Europeans and Arabs. The pharohs were black, which means the whitewashing by Hollywood is 100% historically inaccurate. But it would be inaccurate to have everyone as black as well. It was a diverse empire, as all empires are! You won’t have a homogeneous empire. Ever.
Please dont spread misinformation. Someone will end up believing you.