Skin/hair/eye Pigmentation, Variation in, 5, also known as pigmentation, hair, black/non-black - eyes, dark/light - skin, dark/fair, type 5, is related to basal cell carcinoma 1. An important gene associated with Skin/hair/eye Pigmentation, Variation in, 5 is SLC45A2 (Solute Carrier Family 45 Member 2). Affiliated tissues include eye and skin.