January 1973: 4 , by patrick heron , 1973 , abstract , Post-Painterly Abstraction style
An abstract painting with red and blue shapes.
An abstract painting is composed of red and blue shapes. The red part is larger than the blue part. The blue part is smaller than the red part. There is a big blue square in the middle of the red area. The shapes are all different shades of blue. The painting has a white border around it.