So when the Sun starts to set, it changes the light on your screen from white light to yellow light which simulates the Sun setting and allows melatonin to be produced naturally.
Morning came slowly with a pale yellow light. The train was slowing down as it came into the town of La Crosse where the three soldiers would get off the train. The station was empty because it was Sunday.
Hard to imagine her legs once strong, the bones hard and parting water, clean sharp strokes, not bent and wrinkled like a baby, not drowning under the sticky yellow light.
There are over 1,100 types of carotenoids, pigments which absorb high energy blue and green light, while leaving behind the lower energy red and yellow light.
For example, when you hold a yellow object in real life (don't use a lemon) , it's actually absorbing every wavelength except yellow-that yellow light bounces back and hits your eyes.