Bezold–Brücke shift

The Bezold–Brücke shift is a change in hue perception as light intensity changes. As intensity increases, spectral colors shift more towards blue (if below 500 nm) or yellow (if above 500 nm). At lower intensities, the red/green axis dominates.

This effect is a problem for simple HSV-style color models, which treat hue and intensity as independent parameters. In contrast, color appearance models try to factor in this effect.

Bibliography

W. von Bezold: Die Farbenlehre in Hinblick auf Kunst und Kunstgewerbe. Braunschweig 1874.
"Über das Gesetz der Farbenmischung und die physiologischen Grundfarben", Annalen der Physiologischen Chemie, 1873, 226: 221-247.
M. E. Brücke, “Über einige Empfindungen im Gebiet der Sehnerven,” Sitz. Ber. d. K. K. Akad. d. Wissensch. Math. Nat. Wiss. 1878, 77:39–71.

Eye: appearance phenomena

of the eye	Eyeshine Leukocoria Red-eye effect Red reflex

by the eye	Color appearance Abney effect Bezold–Brücke shift Chromatic adaptation Purkinje effect

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Bezold–Brücke shift

See also

Bibliography