Eclipse chromatique No. 1 , by martha boto , 1973 , abstract , Op Art style , Orange, Spiral, Pattern, Circle, Line
A picture of a colorful spiral design. 
 an optical illusion. The illusion is made up of concentric circles. The Circles are orange, yellow, green, blue, black, purple, and pink. The center of the circle is yellow. The lines are black. The background is black.