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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.
In photography, mireds are used to indicate the color temperature shift provided by a filter or gel for a given film and light source. For instance, to use daylight film (5700 K) to take a photograph under a tungsten light source (3200 K) without introducing a color cast , one would need a corrective filter or gel providing a mired shift
Color Approximate CRI Color temperature (K) ELX 825 Sunset White ≈85 2500 ELR, ELC 827, 828 Extra Warm white ≈85 2700, 2800 EX-L, EL, ELK 830 Warm White ≈85 3000 ELW 832 Warm White ≈85 3200 EX-WW, EWW 835 Neutral White ≈85 3500 EW38 838 Neutral White ≈85 3800 EX-W, EW 840, 841, 842 Cool White ≈85 4000, 4100, 4200 EX-N, EN 850 ...
Color temperatures and example sources Temperature Source 1700 K Match flame, low pressure sodium lamps (LPS/SOX) 1850 K Candle flame, sunset/sunrise: 2400 K Standard incandescent lamps: 2550 K Soft white incandescent lamps 2700 K "Soft white" compact fluorescent and LED lamps 3000 K Warm white compact fluorescent and LED lamps 3200 K
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 ]
If there’s one thing to take away from the color of the year 2025 announcements so far, it’s that warm shades are expected to dominate in the coming year. Adding to the running list of ...
Judd determined the "nearest color temperature" by simply finding the point on the Planckian locus nearest to the chromaticity of the stimulus on Maxwell's color triangle, depicted aside. The transformation matrix he used to convert X,Y,Z tristimulus values to R,G,B coordinates was: [12]
The BBC reported that the first-known mince-pie recipe dates back to an 1830s-era English cookbook. By the mid-17th century, people reportedly began associating the small pies with Christmas. At ...