Daltonism is a specific type of red-green color vision deficiency, also known as color blindness. People with red-green color vision deficiency may confuse colors that contain red or green elements.

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 ...

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 ...

It is one of the first things that we learn about and how we are able to identify our everyday surroundings. The sky is blue, the grass is green, the sunflowers in the field are yellow, and so on.

TikTokers with synesthesia have stirred up a trend linking colors to names. And now, even people who don't have the condition can get in on the action. According to Psychology Today, synesthesia is a ...