1. A projection system comprising: an object having a surface with an optical pattern; and a projector emitting patterned light towards the surface, wherein the pattern of the emitted light is aligned with the optical pattern of the surface so as to affect at least one attribute of light reflected from the surface, and wherein the optical pattern comprises colored areas wherein the color is selected to interact with the emitted light so as to alter at least one of the saturation, hue, and chrominance of the light reflected from the surface.