Within the larger gray and blue squares are two smaller squares.  The small square on the left appears to be a blue or violet color while the small square on the right appears to be gray.  They are, in fact, the same color. Do they look the same to you?

The two images below present one two-headed arrow that looks to be orange in color and another that appears to be red.  In reality, the two are exactly the same color (red). The only difference between the two is the color of the border that surrounds the red squares.  The light yellow border used in […]

The four squares appear to float on top of the wavy pink background.  As you watch this image, the background seems to flutter slightly to both the left and the right.This illusion was designed by French artist Daniel PICON.

Stare at the square in the middle of the design below.  Does it appear to be unstable and moving or hovering over the background? This illusion is a variation of the Ouchi Illusion and was designed by French artist Daniel PICON.