A pigment is a colored material that is completely or nearly insoluble in water. In contrast, dyes are typically soluble, at least at some stage in their use. Generally dyes are often organic compounds whereas pigments are often inorganic compounds. Pigments of prehistoric and historic value include ochre, charcoal, and lapis lazuli.
Uses : Colorants are essentially used for making products appealing and attractive. Additionally, they're also used for adding bulk and durability to different types of products. Following are some of the other uses of colorants: Colorants are utilized for establishing a product recognition or image.