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 ...

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 ...

Scientists estimate that the human eye can distinguish up to 10 million colors. That’s pretty impressive, considering the interesting fact that we only have three types of color-perceiving rods in our ...