It turns out that one of the colors we see in the world every single day is actually just a pigment of our imagination — er, sorry, figment of our imagination. Scientists say it's a sort of collective ...

Illustration by Aurélia Fronty Q: I’ve heard that purple was called the royal color because purple dye used to be scarce. Why didn’t people just combine blue and red? Dan Warnock | Baker ...

Why Trust Us? The human eye does not actually see purple, as purple is not a color on the visual spectrum. Purple is a combination of wavelengths from opposite extremes of the spectrum ...