Untitled , by max bill , 1973 , abstract , Concretism style , Line, Colorfulness
A picture of a red, yellow, blue and black striped background.
 an abstract art piece. It is composed of red, yellow, blue and black lines. The lines are arranged in a diagonal pattern. The blue lines are on the left side of the image, followed by the yellow lines on the right side. The black lines are in the middle of the red and blue lines. There is a white border around the image.