The success of restorative treatment is evaluated according to functional and esthetic results. Esthetics is considered one of the most important parameters in the success of restorative dentistry and color matching is an essential component for achieving natural-looking restorations. If not performed properly, it can yield unsatisfactory results for both the clinician and the patient. The knowledge of the concept of color, various dimensions of color, optical properties of teeth, perception of color and various factors affecting it including viewer assosciated factors are imperative for obtaining an esthetic restoration.