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CIELAB (any white point) is a supported color space in TIFF image files. [17] CIELAB (any white point) is available in PDF documents, where it is called the "Lab color space". [18] [19] CIELAB is an option in Digital Color Meter on macOS described as "L*a*b*". CIELAB is available in the RawTherapee photo editor, where it is called the "Lab ...
The Oklab color space is a uniform color space for device independent color designed to improve perceptual uniformity, hue and lightness prediction, color blending, [a] and usability while ensuring numerical stability and ease of implementation. [1]
Hunter Lab (also known as Hunter L,a,b) is a color space defined in 1948 [1] [2] by Richard S. Hunter. It was designed to be computed via simple formulas from the CIEXYZ space, but to be more perceptually uniform.
It is able to store a wider range of color values than sRGB. The Wide Gamut color space is an expanded version of the Adobe RGB color space, developed in 1998. As a comparison, the Adobe Wide Gamut RGB color space encompasses 77.6% of the visible colors specified by the Lab color space, whilst the standard Adobe RGB color space covers just 50.6%.
Richard Sewall Hunter (1909–1991) was a pioneering American color scientist and founder of Hunter Associates Laboratory (HunterLab). [1] [2] He is best known as the inventor in 1942 of the Hunter L,a,b color measurement system the precursor to the CIELAB color space. [3] [4] Hunter was awarded the David Richardson Medal in 1971 by the Optical ...
Adams chromatic valence color spaces are a class of color spaces suggested by Elliot Quincy Adams. [1] Two important Adams chromatic valence spaces are CIELUV and Hunter Lab . Chromatic value/valence spaces are notable for incorporating the opponent process model and the empirically-determined 2 + 1 ⁄ 2 factor in the red/green vs. blue/yellow ...
A comparison between a typical normalized M cone's spectral sensitivity and the CIE 1931 luminosity function for a standard observer in photopic vision. In the CIE 1931 model, Y is the luminance, Z is quasi-equal to blue (of CIE RGB), and X is a mix of the three CIE RGB curves chosen to be nonnegative (see § Definition of the CIE XYZ color space).
A "color model" is an abstract mathematical model describing the way colors can be represented as tuples of numbers (e.g. triples in RGB or quadruples in CMYK); however, a color model with no associated mapping function to an absolute color space is a more or less arbitrary color system with no connection to any globally understood system of ...