RGB and Primary vs Secondary Colors

RGB:

RGB Means Red Green Blue. These are colors.

Why the name RGB?

The colors are mainly visible due to the light.
  • Without light we can't Identify the color.

Input devices of RGB:

Video cameras, Image scanner and digital cameras.

Output devices of RGB:

Computer, Color TV, Mobile display,Video Projector, LED Display.

Colors representation:

Each color has 8 bits to store as integer from 0 to 255.

Possible colors of RGB:

256*256*256=16,777,216 Colors.

Light:

Light is the brightness that lets you see things. Light comes from sources such as the sun, moon, lamps, and fire.

Color Properties:

  • Hue
  • Value
  • Intensity

Primary Colors:

For Light, the primary colors are

For Printing the primary colors are
For Painting the primary colors are

Secondary Colors:

Secondary Color is made by mixing two colors.
For light, the secondary colors are cyan, magenta and yellow.
For painting purpose, the secondary colors are purple, orange and green.

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