There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. For the past few weeks, we’ve been tackling queries on the theme of “blue.” What ...

The color wheel was first developed by English mathematician and physicist Sir Isaac Newton, who discovered that white light (what we perceive as colorless daylight) is composed of a spectrum of ...

A new test called "Is my blue your blue?" reveals how different -- or similar -- your color perceptions are compared to everyone else. First there was “the dress,” then there was the sneakers, now ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Walk into any children's clothing store and you'll see it immediately: the great divide. Blues, greens, reds, and blacks flood the boys' section, while pink and purple dominate the girls' area. But is ...