Composition , by al held , 1961 , abstract , Hard Edge Painting style , Rectangle, Circle
A painting of a red circle and a green rectangle.
A painting of a red circle on a blue background. The red circle has a yellow ring around it. There is a small yellow dot in the middle of the red circle. To the right of the circle is a rectangle that is red with a green border. The rectangle is outlined in yellow. The border of the rectangle is green.