It doesn't matter. It's more about their overall attractiveness.
Some ugly guy with a terrible body and a hideous face could have beautiful eyes and great hair. I'll still find a bodybuilder with a great face more attractive, even if he's bald and has boring eyes.
Dark features definitely, although i do love when guys have a different hue on their beard, like dark brown on the hair and lighter brown on the beard. i am actually dying my beard this past months hopefully i will get over that fetish xD