The RGB (Red, Green and Blue) color model is the standard model that is applicable for present day televisia and computer monitors.
RGB is also referred to as additive primary colors due to the fact that a 100% addition of all the colors give. you white as all the light gets reflected back to the eye. Figure. 5.1 depicts this phenomenon.
Additive colors are used for lighting, video, and monitors. Your monitor, for example, creates color by emitting light through red, green, and blue phosphor.
It is also applied for designing work in multimedia applications.