There are four main eye colors in the human population. The percentage of people with each varies across America and worldwide.

Did you know some people have red eyes? How about violet? We spoke to an optometrist to learn how rare some eye colors are ...

The human eye can see millions of colors — but no eyes have ever before beheld "Olo." Only five people on the planet — all from a team of researchers in California — have witnessed this ...

New Color Never Before Seen by the Human Eye Discovered by Scientists, Study Claims The new color, "olo," is a hyper-saturated version of blue-green ...

What Color is Your Aura? and What It Means originally appeared on Parade.

Light sensors detect the presence or absence of light, and the intensity of that light. These sensors then convert light ...

Scientists have discovered 'Olo,' a novel color beyond the human gamut, using lasers to stimulate eye cones. Explore the science behind this new color.

Discover how the genetics behind your eye color connects to various health conditions, from melanoma risk to pain tolerance—what your eye shade reveals.

Scientists in California claim to have discovered a new jaw-dropping color no human has ever seen before. The catch? You have to zap your eyes with laser pulses to see it. Five scientists at the ...

Inspired by nature, scientists created a self-powered device that recognizes color just like our eyes, paving the way for ...

However, the laser only stimulated the M cone cells in the retina, which essentially allowed the human eye to perceive a color "that never occurs in natural vision," the study read.

A team of scientists in California say they have discovered a new color they named olo, but you can't see the "most intense teal" with the naked eye.