Physicists and vision scientists are lining up behind a provocative claim: the rich color we call purple is not a property of light at all, but a story the brain tells itself. Light in the real world ...

I’ve always been partial to blue. But if I had previously known about the color “olo,” then maybe it would’ve become my favorite instead. Pop Mech continually dives into the latest discoveries in ...

Many of us develop strong attachments to particular colors, but purple brings out the most focused and enthusiastic devotion. What makes purple so distinctive? Part of the answer comes from optics.