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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration: Guardian Design (Illustration: Guardian Design) It started with an argument over a blanket. “I’m a visual ...

One of the reasons why it's so important to calibrate monitors carefully is that we all see different colors, as this simple online test proves. Is it blue, or is it green? It's a question that should ...

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 ...

One of the earliest discoveries in perceptual psychology was the existence of color afterimages. For example, the square below on the right is clearly white. But if you first stare at the red square ...