Red Span , by thomas downing , 1964 , abstract , Hard Edge Painting style , Colorfulness, Circle, Line, Graphic design
A painting of a red, yellow, and blue circle.
 an abstract painting. The painting is composed of three circles. The first circle is red, the second circle is blue, and the third circle is yellow. The black circle is on the right side of the red circle. The yellow circle is in the middle of the white circle. There is a thin white line between the red and blue circles.