Liver is a color which is used to describe dogs and horses. It is a dark brown chocolate color. For alternative meanings, see color (disambiguation). ... For other members of the dog family, see Canidae. ... horse, see Horse (disambiguation). ... Darkness is the absence of light. ... Brown is a color produced by mixing small intensities of red and green, orange and blue, or yellow and purple pigment. ... Chocolate comes in dark, light, and white varieties with cocoa solids contributing to the brown coloration. ...