Random Optical Illusions

To get random optical illusions, all you have to do is select how many you want and hit the gree generate button.

Illusory contours

Illusory contours

Illusory contours or subjective contours are a form of visual illusion where contours are perceived without a luminance or color change across the contour.

What is this tool?

With this generator, you can explore optical illusions at random. To make it I collected 95 illusion names, images and a description of how they work where the information was available.