1. BLACK AND WHITE
Jet Black
Guard coat is solid black, the individual guard hair is monochrome black from root to tip. Single white guard hairs appear occasionally. The undercoat is black or more frequently dark grey. The jet black coat is frequently accompanied by great depth of black pigment on pads and roof of mouth.
Black
Guard hairs are banded with some amount of white near roots. Single white guard hairs appear more frequently. Undercoat may be lighter than is seen in the jet black coat while some buff-colored hairs may be found in the lower stifle and in the vicinity of the ears. The dog gives the impression of having a black and white coat but without the depth of pigmentation found in the jet black and white coat.
Dilute Black
Guard hairs are banded with the whitish cast extending substantially from the root and tipped with black. Undercoat has a whitish cast. Dog appears to be black on head and along spine while shorter guard coat along flanks produces a silver effect.