Purkinje effect
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The Purkinje effect or Purkinje phenomenon, sometimes called the Purkinje shift, is the tendency for the peak luminance sensitivity of the eye to shift toward the blue end of the color spectrum at low
Dark adaptor goggles
Kruithof curve
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The Kruithof curve describes a region of illuminance levels and color temperatures that are often viewed as comfortable or pleasing to an observer. The curve was constructed from psychophysical data c
Purkinje effect
…quite a while, in contrast to their average brightness. Green appears more bluish to me, and its yellow tint develops with increasing daylight only. Kruithof curve Dark adaptation…
Simulated appearance of a red geranium and foliage in normal bright-light (photopic) vision, dusk (mesopic) vision, and night (scotopic) vision. The blueish flower centers are still perceived as bright in the image of the flower viewed at dusk and at night.