Colour Test - Additive Mixing
(Colour TV, stage spotlight lighting etc)
Primary Colours for Additive Mixing are Red, Green & Blue

               
White Yellow Cyan Green Magenta Red Blue Black

 

   
 

Red + Green = Yellow

 

   
 

Green + Blue = Cyan

 

   
 

Red + Blue = Magenta

 

   
 
 

Red + Green + Blue = 'White'