Coleford Black
Somebody who acts black, but is in no way black. Other than that they have slightly darker skin than everyone else in the area.
Guy 1: Have you met Darryl? He's the blackest guy in town.
Guy 2: Yeah, I know Darryl, but he's only Coleford Black.
Guy 2: Yeah, I know Darryl, but he's only Coleford Black.