Dispersion


   
 
Color
Color may be defined as the visual sensation which depends upon the wavelength or frequency of the light that enters the eye.
 
Primary and Secondary Colors
Red, green and blue are called primary colors or additive primary colors because white is obtained when these colors are mixed.
 
A color resulting from the mixing of two primary colors are called secondary or composite colors or subtractive primaries.
 
Mixing of Colors
When two or three primary colors are mixed in definite ratio we get new colors. That is,
 
Red + Blue = Magenta
 
Blue + Green = Cyan (Peacock blue)
 
Red + Green = Yellow
 
Red + Green + Blue = White
 
 
 
   Mixing of Different Primary Colors to

    Produce Some Secondary Colors

 
  
 
  
     
   
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