** The Exotic and Rares**( the next 2, the color of the dog is determined by what color the nose is) 2. Liver- ( an Exotic Color ) If the shih tzu has a liver (brown/chocolate) nose, eye rims, lips, pads, it is a Liver Shih Tzu, it doesn't matter what color the coat is on these dogs its still a liver. anything except black.