One thing that Bullough suggests pedestrians and drivers do to stay safe under purple streetlights—or any lights, for that matter—is to remove sunglasses and blue-light-filtering glasses when ...

A purple wave of faulty streetlights has swept across the USA, generating incorrect theories, bad lighting and fans of an accidental aesthetic.

Purple and blue hues are due to a manufacturer error, Keith Richardson, a senior communications manager at Duke Energy, told The News & Observer. The defect causes the light to gradually turn ...

Muddying the waters a bit more, purple light doesn't exactly take well to other colors. They tend to wash most shades out and make colors appear blue, purple, or black.

If you’ve driven on Kansas City’s highways at night in the past few years, ... Many LED light bulbs used for street lights actually give off a purple-blue light by default.