chromaticity


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chromaticity

[‚krō·mə′tis·əd·ē]
(optics)
The color quality of light that can be defined by its chromaticity coordinates; depends only on hue and saturation of a color, and not on its luminance (brightness).

chromaticity

The color quality of light definable by its dominant (or complementary) wavelength and its purity, taken together.
References in periodicals archive ?
The average data obtained for the luminosity and chromaticity in all solutions are presented in
The color hexagon: a chromaticity diagram based on photoreceptor excitations as a generalized representation of color opponency.
Peak wavelength, FWHM, and CIE 1931 chromaticity coordinates of the ten LEDs used as primaries, when operated alone.
Finally, the measured colour coordinates of the high-power LEDs are depicted in the CIE 1931 colour space chromaticity diagram (Fig.
i], we define the brightness distortion and chromaticity distortion.
The CIE L *, a *, and b * coordinates are characterized by three parameters: L * axis represents the lightness, and it varies from 100 (white) to 0 (black); a * and b * are the chromaticity indices; +a * is the red direction; -a * is green; +b * is yellow; and--6 * is blue.
Saturation can be defined as the ratio of the brightness of the monocolor light stimulus to that of the white light stimulus, which can be attributed to the distance between the chromaticity point of the color and the one of non-chromatic stimulus point in the chromaticity diagram (JING & HU, 2006).
Providing color consistency and uniform angular chromaticity, the product delivers luminous flux up to 122 lm at 350 mA in cool white, 6,500 K model and up to 100 lm at 350 mA in warm white, 3,500 K model.
Colours can be matched to the CIE 1931 xyY Chromaticity Diagram.
have no specific numerical limits, and they denote the chromaticity.
2001) for: object (standard colour table)--the shot photograph, shot photographs--edited photographs, object (standard colour table) edited photographs and CIE ab chromaticity diagrams were made.
Their topics include the association nature of dyes chromaticity, new magnetic nanomaterials of hyperbranched ferrocene-containing polyphenylenes prepared in liquid and supercritical carbon dioxide, the systems analysis of marketing research on utilizing phosphoric industry waste based on the CALS (continuous acquisition and life-cycle support) concept, and microkinetic aspects of the biocompatibility and biodegradation of polymers.