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

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 ...

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

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...

So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...