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Colour

1,340 bytes added, 09:02, 13 March 2019
Subtractive Primary Colours
====Subtractive Primary Colours====
 
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: Magenta paint [[reflect]]s red and blue [[light]] but [[Absorb (Physics)|absorbs]] green [[light]].
: Cyan paint [[reflect]]s blue and green [[light]] but [[Absorb (Physics)|absorbs]] red [[light]].
: Yellow paint [[reflect]]s red and green [[light]] but [[Absorb (Physics)|absorbs]] blue [[light]].
 
: Mixing Magenta and Cyan paints makes a new paint which [[Absorb (Physics)|absorbs]] green [[light]] and red [[light]]. The new paint appears blue because that is the only [[colour]] it [[reflect]]s.
: Mixing Cyan and Yellow paints makes a new paint which [[Absorb (Physics)|absorbs]] red [[light]] and blue [[light]]. The new paint appears green because that is the only [[colour]] it [[reflect]]s.
: Mixing Magenta and Yellow paints makes a new paint which [[Absorb (Physics)|absorbs]] green [[light]] and blue [[light]]. The new paint appears red because that is the only [[colour]] it [[reflect]]s.
 
Adding a little extra of one [[colour]] over another can go on to give different [[colour]]s.
 
: Magenta > Cyan gives purple.
: Cyan > Magenta gives pale blue.
: Cyan > Yellow gives turquoise.
: Yellow > Cyan gives lime green.
: Magenta > Yellow gives pink.
: Yellow > Magenta gives orange.
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