Black pigment is a dark colored material used in art, cosmetics, and other applications. The term can refer to a variety of substances, including TAR (3 letters), ocher (5 letters), heme (4 letters), OCHRE (5 letters), and India ink (8 letters). TAR is a black, viscous liquid derived from the distillation of organic materials such as coal, wood, or petroleum. Ocher is a yellowish-brown or reddish-brown earth pigment. Heme is an iron-containing compound found in hemoglobin, the oxygen-carrying molecule in red blood cells. OCHRE is a natural clay earth pigment containing iron oxide. India ink is a type of carbon black pigment made from soot and binders.