Abstract: A demonstrator for demonstrating color combinations of the colors of the background and the lettering of a design. This demonstrator includes a support board, a background sheet resting on the board and having a plurality of spaced identical but differently colored panels which have identical but differently colored panels which have identical transparent letterings, a transparent lettering sheet resting on and slidable relative to the transparent background sheet and having a plurality of spaced identical but differently colored letterings disposed thereon, and a mask overlay sheet resting on the transparent lettering sheet and having a printed mask portion with a plurality of spaced identically shaped clear openings.