Untitled, Triangle, 8'H , by robert swain , 1969 , abstract , Post-Painterly Abstraction style , Orange, Pattern, Symmetry, Line
A picture of a colorful triangle on a white background.
 a triangle. The triangle is made up of different colors. The colors are red, orange, yellow, green, blue, and purple. The background is white. The triangles are arranged in a way that they form a V.