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Colour constancy is a property of

  • A.the visual system rather than of the samples
  • B.the sample rather than of the observer
  • C.the illuminant rather than of anything else
  • D.whichever instrument happened to take the reading

Answer: A

It describes the eye's tendency to discount the illuminant. Colour inconstancy by contrast is a property of the sample and its colourants. One belongs to the eye and one to the material. Constancy and inconstancy are easily confused.

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