[BurningFrog]

Googling "shaved chimpanzee" (did something new today!) gives photos in the pink/gray range.

https://www.google.com/search?q=shaved+chimpanzee

[samatman]

And are our closest cousins, yes.

Here's a popular-press citation for the consensus that our furred common ancestor was pink skinned: https://www.discovermagazine.com/planet-earth/why-did-darker...

[BurningFrog]

Nice. I was aware of the folate/vitamin D balance, but hadn't heard anything about sub-fur skin color.