The phrase "skin colour" refers to the natural shade or tone of a person's skin. It describes the different shades that people have, ranging from very light to very dark. Full definition
One of the positive things about British football is it / s multi cultural appeal and no rational person EVER cares less about skin colour. (justarsenal.com)
We now know that most traits, such as skin colour, eye colour and blood group are determined by our DNA and genes. (newscientist.com)