Swiss Mountain Dog

Tri-color

A tri-color coat is a pattern of some shade of black or brown, few shades of red is often called tan, and some white. Some have tan markings above the eyes. Eumelanin and phaeomelanin pigmentation occurs on the same dog; "the back is black from eumelanin pigment being made and the belly is tan or red from phaeomelanin pigment being made".