In this square, the corridor part  (in between the green lines) appears to be tinted a light green.  In reality, this section of the square is entirely white. This image was drawn by Professor Akiyoshi Kitaoka in 2007 for Visiome.

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?

In the video below, two colored bars (feet) move horizontally across the screen.  One is red and the other is blue.  Stare at the area marked “Look Here” and watch what happens as the bars move across the two different backgrounds.  As they travel across a background that is striped, they appear to be out […]

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 […]

Does the gray bar on the left look exactly the same as the gray bar on the right?  Or does it seem to be lighter? The gray bars are identical.  You can confirm this by covering up the black lines.  This color phenomena is called White’s illusion.

The checker shadow illusion was originally published by MIT professor Edward H. Adelson in 1995.  It presents two squares that are the same shade but appear to be quite different from one another.  The video below demonstrates the illusion as a light square in a shadow is moved to reveal that it is the same […]