As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

Knewz.com noted that Violet has its own wavelength of light, around 380–450 nanometers, and is part of the electromagnetic spectrum. Purple, on the other hand, cannot be found anywhere.

Suddenly finding yourself in a street bathed in garish purple light can be unsettling. But a bigger concern is that this light can change how drivers and pedestrians perceive their surroundings.