I would guess that the evolutionary advantage of black skin was not primarily camouflage. Tool-using humans of any colour can do that with mud and grass. My be

I would guess that the evolutionary advantage of black skin was not primarily camouflage. Tool-using humans of any colour can do that with mud and grass. My bet is on UV tolerance. Black people have lower rates of skin cancer in the US compared to whites. https://www.jaad.org/article/S0190-9622(05)02730-1/fulltext https://www.jaad.org/article/S0190-9622(05)02730-1/fulltext (Mortality is higher in blacks, but that's because it's diagnosed at later more severe stages.) The effect would have been far bigger when foraging and hunting all day every day under the equatorial sun.