Think fast: What's your favorite color? If you said blue, you're probably not alone. A few years ago, the BBC reported that, after looking at non-scientific Crayola surveys of children and ...

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 ...

First there was “the dress,” then there was the sneakers, now there’s a debate over the color blue. If you’ve ever argued with a friend over whether something is blue or green, you’re not alone. A new ...