Four Interrelated Colour Groups , by richard paul lohse , 1968 , abstract , Concretism style , Pattern, Orange, Flag, Colorfulness
An abstract painting with multiple colored rectangles. 
 an abstract art piece. It is composed of different colors. The first color is blue. The second color is green. The third color is red. The fourth color is yellow. The fifth color is orange. The sixth color is dark blue. There are six lines in the middle of the image. The lines are arranged in a cross shape. 