Red-green color blindness is the most common type of color deficiency. Also known as deuteranopia, this is most likely a congenital condition, meaning that you’re born with it. If you have this type ...

Certain colors are strongly associated with certain adjectives (e.g. red is hot, blue is cold). Some of these associations are grounded in visual experiences such as seeing glowing red embers.

There’s just something about red. Bold, fiery, commanding — red knows how to catch your attention. Accordingly, you might not be surprised to learn all the powerful concepts the color can represent.