Moving image
Color & afterimages / Historical color research
Helmholtz–Kohlrausch Effect
Saturated colors can appear brighter than equal-luminance gray.
TRY THIS
Compare the colored and gray patches. Screen calibration can affect the strength of this demonstration.
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Parcly Taxel
Original file & attribution · Public domain
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What is Helmholtz–Kohlrausch Effect?
Saturated colors can appear brighter than equal-luminance gray.
What should I look for in Helmholtz–Kohlrausch Effect?
Compare the colored and gray patches. Screen calibration can affect the strength of this demonstration.
What explains Helmholtz–Kohlrausch Effect?
Equal luminance does not guarantee equal perceived brightness. Strongly saturated colors often seem brighter than less saturated colors.
