Striking Sunsets Free Screensaver - Version 2.0.3 Sunsets appear in a variety of colors: white, yellow, orange, red and their hues. Color of sunset depends on the amount and size of dust particles in atmosphere. Very few particles in the atmosphere produce white sunset. Average amount of particles will make sunset color yellow. High concentration of particles give us the red sunset.This screensaver will show you off all kinds of sunset with natural striking colors of them.