There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...

The color wheel was first developed by English mathematician and physicist Sir Isaac Newton, who discovered that white light (what we perceive as colorless daylight) is composed of a spectrum of ...

Lightsaber colors used to indicate a Jedi's class and were restricted to blue, green, and yellow. Purple lightsabers represent mastery and complete control over the Force and can be used by both the ...