Drei Gruppen mit grnem Zentrum , by richard paul lohse , 1952 , abstract , Concretism style , Violet, Colorfulness, Tints and shades, Pattern, Rectangle
A checkered pattern of purple, green and yellow.
 a checkered pattern made up of squares. The first square is yellow. The second square is green. The third square is purple. The squares are arranged in a checkerboard pattern.