The Hunt effect or Luminance-on-colorfulness effect
comprises an increase in
colorfulness
Colorfulness, chroma and saturation are attributes of perceived color relating to chromatic intensity. As defined formally by the International Commission on Illumination (CIE) they respectively describe three different aspects of chromatic ...
of a color with increasing
luminance
Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through, is emitted from, or is reflected from a particular area, and falls withi ...
. The effect was first described by
RWG Hunt
''Red. White. Green.'' is the second studio album by American metalcore band Upon a Burning Body. The album was released on April 10, 2012 through Sumerian Records. The album was produced by Will Putney, who produced their debut album, '' The W ...
in 1952.
Hunt noted that this effect occurs at low luminance levels. At higher luminance, he noted a hue shift of colors to be more blue with higher luminance, which is now known as the
Bezold–Brücke effect. The hunt effect is related to the
Helmholtz–Kohlrausch effect
The Helmholtz–Kohlrausch effect (after Hermann von Helmholtz and V. A. Kohlrausch) is a perceptual phenomenon wherein the intense saturation of spectral hue is perceived as part of the color's luminance. This brightness increase by saturation, ...
, where a partially desaturated stimulus is seen to be brighter than fully saturated or achromatic stimuli.
See also
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Opponent process
The opponent process is a color theory that states that the human visual system interprets information about color by processing signals from photoreceptor cells in an antagonistic manner. The opponent-process theory suggests that there are thr ...
*
Purkinje shift
*
Abney effect
The Abney effect or the purity-on-hue effect describes the perceived hue shift that occurs when white light is added to a monochromatic light source.
The addition of white light will cause a desaturation of the monochromatic source, as perceive ...
References
Color appearance phenomena
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