A new optical illusion excellently illustrates just how finicky our eyes are when it comes to perceiving colors.

A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This ...

How many purple dots do you see in the image above? Are they all the same hue? This new optical illusion, developed by ...

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

What a pretty pastel image. You’re seeing circles of several different colors, right? Actually, your eyes and your brain are deceiving you. All the dots are the same color, but are perceived by your ...