Stochastique en vert , by claude tousignant , 1965 , abstract , Op Art style , Spiral, Pattern, Circle, Line
A computer generated image of a blue and red spiral.
 an optical illusion. It has a black border around it. The image has a spiral design. The center of the image is blue. Around the spiral are red, orange, and green lines. The lines are all different shades of blue. There is a black circle in the middle of the spiral.