Changing the COLOR of something is a process that can be done in a variety of ways. TINT, TURN, DYE, redye, TAN, COLOR, PIGMENT, and TINCTURE are all terms used to describe different methods of changing the COLOR of an object. Tinting involves adding a small amount of COLOR to an existing COLOR, while turning is the process of completely changing the COLOR of an object. Dyeing is the process of adding COLOR to fabric or other materials, while redyeing is the process of recoloring something that has already been dyed. Tanning is the process of darkening leather or skin, while coloring is the process of adding COLOR to something. PIGMENT is a substance used to create COLOR, while repainting is the process of applying a new coat of paint to something. Finally, TINCTURE is a liquid used to add COLOR to a substance.