Addition and subtraction of light

Primary Colour

Basic colour that cannot be produced through colour mixing. Examples: Red, Blue, and Green.

Secondary Colour

Colors obtained by mixing primary colors. Examples: Cyan, Magenta, and Yellow.

Addition of Light

Blue + Green = Cyan Blue + Red = Magenta Red + Green = Yellow Red + Green + Blue = White

Examples of Addition of Light

Colored television.

Examples of Subtraction of Light

Opaque objects reflecting specific colors.

Definition subtraction of light

Subtraction of light is the light that has the same color as the color of opaque objects that will reflect directly into our eyes.