What does "reddish green" look like? Not brown, not olive - an actual color that's simultaneously red and green the way cyan ...

Scientists cannot say for certain, but new research suggests that different people’s brains respond similarly when looking at a particular hue. By Kenneth Chang After decades of brain research, ...

An estimated 300 million people worldwide are color-blind. This typically means they can't distinguish certain shades of color, they struggle to tell how bright colors are or, more rarely, they can't ...