Cadmium with Violet, Scarlet, Emerald, Lemon and Venetian , by patrick heron , 1969 , abstract , Post-Painterly Abstraction style , Orange
A painting of a red background with a purple circle in the middle.
 an abstract painting. The painting has a bright red background. On the left side of the painting there is a solid yellow line. In the middle of the red background there are two large circles. One is purple and the other one is red. The purple circle is larger than the red one. The red one on the right side is smaller than the purple one. There is a green line on the bottom right side.