Regruntled.com

 

Null Hypothesis has an interesting piece about magenta not being a real color.  Magenta seems to be halfway between red and blue, but red and blue are at opposite end of the spectrum, so there is no halfway between.

 

The light spectrum has a colour missing because it does not feel the need to ‘close the loop’ in the way that our brains do. We need colour to make sense of the world, but equally we need to make sense of colour; even if that means taking opposite ends of the spectrum and bringing them together.

 

Instead of a linear spectrum, our brains perceive a circular spectrum like this:

 

 

While you’re thinking about that, stare at the dot in the image at the top of the post until the colors fade.