Philosopher's Stones , by eileen agar , abstract , Art Informel style
A drawing of six different colored squares. 
A drawing of six squares on a purple background. The six squares have different colors on them. The first one is white, the second one is blue, the third one is yellow, the fourth one is brown, the fifth one is light blue, and the last one is grey. There are small black dots on each of the six squares.