Natural colors are food additives derived from natural sources and are used to dye foods and beverages. Also called exempt colors, these pigments are safe for consumption according the the FDA. They come from a variety of sources, such as: Fruits.
The five classic and popular natural dyestuffs are indigo, madder, cochineal, weld, and cutch. These can give rise to almost any color with the exception of a few colors like fluorescent and electric blues.