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Invariant hues

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In color perception Invariant hues (or invariable hues [1]) are perceived hues of monochromatic light that do not change with intensity, that do not show the Bezold–Brücke shift, that is, do not change with changes in illumination.

There are four invariant hues: blue, green, yellow, and red&nbsp The four invariant hues are:

  • 478nm (blue)
  • 510nm (green) [2][3]
  • 578nm (yellow)
  • 493c (red; i.e. complementary wavelength to 493nm)[4]

ReferencesEdit

  1. Reber, A.S. & Reber, E.S.(2001) The Penguin Dictionary of Psychology
  2. Pridmore, R.W. (1999)."Bezold-Brucke hue-shift as functions of luminance level, luminance ratio ....etc" .Vision Research ;39:3873-3891.
  3. Kuehni,R. (2004) "Variability in unique hue selection: A surprising phenomenon." Color Research & Applic ; 29:158-162
  4. Pridmore, R.W. (1999)."Bezold-Brucke hue-shift as functions of luminance level, luminance ratio ....etc" .Vision Research ;39:3873-3891.

Further readingEdit

Pridmore, R.W (1999). "Unique and binary hues as functions of luminance and illuminant color temperature, and relations with invariant hues." Vision Research ;39:3892-3908.

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