The most common form of color blindness is red-green color blindness. This happens when people are born without the type of ...

Here’s how it works. Human eyes can see only a small portion of the whole electromagnetic wavelength called the visible light spectrum. (Image credit: Zhengshun Tang via Getty Images) ...

Cats are limited in their perception of color. Human eyes have 10 times more cone cells than feline eyes, meaning we can see a larger range of colors than cats, according to Purina.

Not only are humans more sensitive to color than dogs, but humans can also perceive more colors. Humans are trichromatic, which means we have three types of cones in our eyes.

Some animals, like mantis shrimp and birds, can perceive a world of color that is completely invisible to humans. Bees and many other insects see wavelengths from 300 nm to 650 nm, meaning they ...

But a rare few—almost always women— are born with a fourth cone type. These tetrachromats can see up to 100 million colors, spotting nuances invisible to the rest of us.

The average human eye can see as many as 10 million variations in color, according to some estimates, from purest gray to laser green. Now scientists say they’ve broken out of that familiar ...

The human eye can see millions of colors — but no eyes have ever before beheld "olo." Only five people on the planet have witnessed this brand new color, thanks to the efforts of a team of ...

A University of Michigan study examined a color range that humans can't see and often ignore: color in the ultraviolet range. Examining snakes, the researchers categorized how the animals used ...