Think back to mixing primary-color paint in grade school. Remember how mixing in yellow changes white, blue and red? Lighting is no exception. A problem too often overlooked is how the yellow-tinted light of high-pressure sodium (HPS) fixtures, which are typically found lighting streets and some parking lots, impacts your perception of the colors around you.
There are public safety benefits when true colors are visible. Imagine a crime has occurred and the police need a description of the car or…
