optical illusions

The Checker Square Illusion

Opposite color squares are actually the same color.


The Munker Color Illusion

The slightest change can make colors appear to be totally different.



Photos that pop out in 3D, without any special viewing equipment!


Purple and Green Dots

One of the best illusions I’ve seen.


Dr. Angry & Mr. Smile

An excellent hybrid image.


Ebbinghaus illusion

Which sphere is smaller? An optical illusion of relative size perception.