Color is a complex and fascinating subject. Several fields of science are involved in explaining the phenomenon of color. The physics of light, the chemistry of colorants, the psychology and physiology of human emotion are all related to color. Since the beginning of history, people of all cultures have tried to explain why there is light and why we see colors. Some people have regarded color with the same mixture of fear, reverence, and curiosity with which they viewed other natural phenomena. In recent years scientists, artists, and other scholars have offered interpretations of the sun, light, and color differences.

Color perception plays an important role in our lives and enhances the quality of life. This influences what we eat and wear. Colors help us to understand and appreciate the beauty of sunrise and sunset, the artistry of paintings, and the beauty of a bird's plumage. Because the...