Untitled , by richard paul lohse , 1981 , abstract , Concretism style , Rectangle, Tints and shades, Colorfulness, Pattern, Square
an image of colorful squares on a white background
 a square that is composed of nine squares. The first square is green. The second square is red. The third square is yellow. The fourth square is blue. The fifth square is orange. The sixth square is dark purple. The seventh square is light green.