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Article | REF: R6443 V1

Colorimetry - Surface color control

Authors: Daniel DUPONT, Daniel STEEN

Publication date: December 10, 2004

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2. Principles of visual observation

  • General comments

    Many observers have noted that :

    • the eye is more sensitive to a difference in chromaticity than to a difference in clarity;

    • the most sensitive element in a gap is the DH* (shade change);

    • the closer the samples are to the center of the surface, the more demanding the observers. Conversely, if the samples are pure (bright), observers are more tolerant.

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