THE HUMAN EYE'S LIGHT SENSITIVE CELLS (PRIMARY CONES) ABSORB PRIMARY COLORS OF RED.GREEN AND BLUE THAT MANIFEST THROUGH DIFFERENT WAVE LENGTHS OF LIGHT.

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 MIXTURES OF THOSE PRIMARY COLORS THEN GIVE US ALL THE MANY HUES AND SHADES OF COLORS THAT ENRICH OUR WORLD.

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 SOME SOURCES SAY MILLIONS OF POTENTIAL COLORS EXIST,  ALTHOUGH THE HUMAN EYE IS UNABLE TO DISTINGUISH BETWEEN ALL OF THEM.