Signal series , by yuriy zlotnikov , 1958 , abstract , Abstract Art style , from the series Signal Systems , Pattern, Polka dot
A painting with black, yellow, blue, and orange dots on a white background.
A white piece of paper with black, orange, yellow, blue, green, and black dots on it.  The black dots are scattered randomly across the white paper.  There are also black letters that spell out the word "L". 