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The color temperature scale describes only the color of light emitted by a light source, which may actually be at a different (and often much lower) temperature. [1] [2] Color temperature has applications in lighting, [3] photography, [4] videography, [5] publishing, [6] manufacturing, [7] astrophysics, [8] and other fields.
5000 K Horizon daylight, Tubular fluorescent lamps or cool white/daylight compact fluorescent lamps (CFL) 5500–6000 K Vertical daylight, electronic flash: 6200 K Xenon short-arc lamp [1] 6500 K Daylight, overcast 6500–9500 K LCD or CRT screen 15,000–27,000 K Clear blue poleward sky
A list of standardized illuminants, their CIE chromaticity coordinates (x,y) of a perfectly reflecting (or transmitting) diffuser, and their correlated color temperatures (CCTs) are given below. The CIE chromaticity coordinates are given for both the 2 degree field of view (1931) and the 10 degree field of view (1964). [1]
Alphabetic color code Color Approximate CRI Color temperature (K) N/A 29 WW Warm white ≈52 3000 WW 35 W White ≈56 3500 W 33 CW Cool White ≈62 4000-4300 N/A 25 N/A Neutral/Universal White ≈75 4000 N N/A N/A Natural Daylight ≈70 5000 D 54 D Daylight ≈75 6500 Deluxe halophosphate tubes Japanese color code Numeric color code
Priest proposed to use "the scale of temperature as a scale for arranging the chromaticities of the several illuminants in a serial order". Over the next few years, Judd published three more significant papers: The first verified the findings of Priest, [7] Davis, [8] and Judd, [9] with a paper on sensitivity to change in color temperature. [11]
Display the color of a black body at a desired temperature Template parameters [Edit template data] Parameter Description Type Status Temperature in kelvins 1 Temperature of the black body between 837 K and 1000000 K Example 8907 Number required hexval 2 hexval is an optional tag used to return only the hexadecimal value Example hexval String optional Label text Text displayed next to the ...
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CRI is calculated from the differences in the chromaticities of eight CIE standard color samples (CIE 1995) when illuminated by a light source and by a reference illuminant of the same correlated color temperature (CCT), commonly measured in kelvins, indicating the light color produced by a radiating black body at a certain temperature; the smaller the average difference in chromaticities, the ...