Varieties of the color green may differ in hue, chroma or lightness, or in two or three of these qualities. Variations in value are also called tints and shades, a tint being a green or other hue mixed with white, a shade being mixed with black. A large selection of these various colors is shown below. Pantone's Color of the Year for 2013: Emerald (Pantone 17-5641, #009473). Wiki link