Researchers behind a recent study claim to have discovered a new color that the natural, naked eye cannot perceive — 'olo,' a ...

The colour we see is a version of it, but it absolutely pales by comparison with the experience of olo," said Austin Roorda, a vision scientist associated with the team. The human eye can ...

You’ve probably seen every color in the rainbow—until now. Scientists say they’ve unlocked a hue the human eye was never meant to see.