A change to the perception of colours under the effects of increased light intensity, or, the apparent brightness of hues changes as illumination changes. With increasing intensity, wavelengths below 500 nm shift more toward blue, and above 500 hues shift more toward yellow (reds become yellower with increasing brightness).
- W. von Bezold:
Die Farbenlehre in Hinblick auf Kunst und Kunstgewerbe. Braunschweig 1874.
In this work Bezold introduced a colour-system in the form of a cone.
Über das Gesetz der Farbenmischung und die physiologischen Grundfarben.
Annalen der Physiologischen Chemie, 1873, 226: 221-247.
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