The city color light is one kind of wall wash lights that cover a large area with light. It is best used on large, mostly flat walls. The effect is to wash out any small imperfections in the wall and make it look flat and smooth. Nebula wall wash city color light is with unique design to illuminate large surfaces like walls and curtains. They feature high brightness and wide beam angle. They are particularly useful for lighting hire companies for use on tours, festivals, large events, in theatres and for film and TV studios productions.