A multi-facet full color illuminator is provided, including a case, a plurality of separated areas inside the case, a plurality of separators for forming separated areas and each separator being shared by two adjacent separated areas, a light source module inside each separated area, each light source module having at least two elements capable of emitting different colors of light, and a controller for adjusting the electric current to control the brightness of each light source module. By using the controller to adjust the electric current, a facet can display light of various color and brightness. This, combined with other facets can create more varieties of light patterns.