Depending on the pigment of the speaker light or dark is directly related to the subject. Two different people may call another exact subject the opposite when giving a description.
Excuse me "dark skin or dark skin" I am short on my bus fare by a dime; any chance you could help me out?
That light skin broad I saw was a real class act.
I was feeling how that dark skin cat was laying some knowledge to them hoppers cutting up in the park. That was some old school looking.