COLOR November 16, 1998.

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Presentation transcript:

COLOR November 16, 1998

November 16, 1998

THE HUMAN EYE November 16, 1998

THE HUMAN EYE November 16, 1998

SPECTRAL ENERGY DISTRIBUTION AND PHOTOPIC LUMINANCE Radiance (Energy) Wavelength l I(l) P(l) November 16, 1998

RADIANCE VS. LUMINANCE RADIANCE LUMINANCE 1 Watt/(meter^2 x steradian x cosq) = 683 Lumens at 555nm Luminous Efficacy November 16, 1998

b(l) g(l) r(l) November 16, 1998

RED magenta yellow BLUE GREEN cyan RGB November 16, 1998

METAMERISM Two different Spectral Energy Distributions with the same RED, GREEN, BLUE response are termed metamers. Radiance (Energy) Wavelength l b(l) g(l) r(l) November 16, 1998

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