The mesmerizing colors of human eyes—from deep browns to vibrant blues, subtle greens, and rare ambers—result from intricate genetic factors that influence melanin production in the iris.

In a study published in Science Advances on Friday, April 18, a group of five researchers stimulated retina cells in participants' eyes, who, afterwards, claimed to have seen a color no human has ...

Just when you think you've seen it all, researchers claim to have developed a way for people to see a color the human eye has previously never seen before. They're calling this new shade 'Olo.

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.