Pigments are organic compounds that are used for coloring purpose to impart colors on other substances. They are insoluble in water, oil and other solvents. These compounds requires special substances known as dispersing agent for mixing with liquids. They are commonly used in powder form to increase its solubility. Pigments are used in coloring paints, inks, plastics and cosmetics. They are used by mixing it with a thinner to make them easy to apply to various objects. They are available in a wide range of colors such as green, blue, violet and various shades of other colors. They have a good color fastness property which helps to retain the color for a longer period.