* Black: Many monkey species have dark black skin, often with a layer of fur that can be black, brown, or gray.
* Brown: Some monkeys have brown skin, which can range from light brown to dark brown, often with a reddish tint.
* Gray: Several species have gray skin, which can be light gray or dark gray.
* Pink: Some monkeys, particularly those with less fur, have pink skin, especially on their faces.
* White: A few species, like the albino monkey, have white skin.
It's important to remember that the color of a monkey's skin can vary within a species depending on the individual and its location.