Green and Purple Painting with Blue Disc: May 1960 , by patrick heron , 1960 , abstract , Post-Painterly Abstraction style
A painting of a blue circle on a green background.
An abstract painting with a dark green background. On the left side of the painting there is a large blue circle. Next to the blue circle there are smaller purple squares. The purple squares are outlined in white. The painting has a thick black brush stroke on the right side of it. There is also a small orange circle on the green background on the left.