Where does black fall on the color spectrum? – Utsav, age 17, Navi Mumbai, ... Each rectangle contains a circle. The circles appear to be different shades but in fact are identical.

At least, when it comes to one color people think is on the spectrum. Popular Mechanics reports that purple is a “pigment of your imagination”: The human eye doesn’t actually see purple.

So our brains "bend" the spectrum into a circle so that red and blue can meet and create purple to fix the confusion. They basically gaslight us into believing purple is real, so we don't freak out!

Scientists reveal that purple is not a real color. It does not exist on the light spectrum. The brain creates purple when red ...

At least, when it comes to one color people think is on the spectrum. Popular Mechanics reports that purple is a “pigment of your imagination”: The human eye doesn’t actually see purple.