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MacAdam set up an experiment in which a trained observer viewed two different colors, at a fixed luminance of about 48 cd/m 2.One of the colors (the "test" color) was fixed, but the other was adjustable by the observer, and the observer was asked to adjust that color until it matched the test color.
The chart’s color patches have spectral reflectances intended to mimic those of natural objects such as human skin, foliage, and flowers, to have consistent color appearance under a variety of lighting conditions, especially as detected by typical color photographic film, and to be stable over time. In 2006, Gretag-Macbeth was acquired by X ...
Nine color pairs are administered during the test, beginning with a red/green combination, to allow the patient to see these two colors prior to seeing a white light, which decreases testing errors. The examinee is shown the target for only two seconds, as color-deficient patients can sometimes correctly identify the colors with prolonged exposure.
The CIE 1931 xy chromaticity space, also showing the chromaticities of black-body light sources of various temperatures, and lines of constant correlated color temperature sRGB gamut plotted in xyY color space (chromaticity + luminosity) Chromaticity is an objective specification of the quality of a color regardless of its luminance.
Independent control of the gel strings permits users to cross-fade "from any color, to any color, anytime" directly (without going through undesired colours as on a single or double string colour changer). The ColorFader system predated the dichroic systems used in most moving lights, to create smooth colour transitions. The basic concept of ...
The U.S. real estate market has another year in the books after 2024 came to a close this week. Redfin identified houses that clocked the heftiest sale prices last year.
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