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node_modules/color-space/README.md
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# Color-space [](https://github.com/colorjs/color-space/actions/workflows/test.yml) [](http://github.com/badges/stability-badges) [](https://npmjs.org/color-space) [](https://bundlephobia.com/package/color-space)
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<img src="https://raw.githubusercontent.com/colorjs/color-space/gh-pages/logo.png" width="100%" height="150"/>
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Open collection of color spaces.
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[Demo](http://colorjs.github.io/color-space).
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## Usage
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```js
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import space from 'color-space';
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//convert lab to lch
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var result = space.lab.lch([80,50,60]);
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```
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Spaces can be imported separately:
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```js
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import rgb from 'color-space/rgb.js';
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import hsl from 'color-space/hsl.js';
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//convert rgb to hsl
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rgb.hsl([200, 230, 100]);
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```
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<!--
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New space can be registered as:
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```js
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import space, {register} from 'color-space';
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register(spaceDefiniton)
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``` -->
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## API
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```js
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<fromSpace>.<toSpace>(array);
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<space>.name //space name
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<space>.channel //channel names
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<space>.min //channel minimums
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<space>.max //channel maximums
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```
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## Spaces
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* [x] [RGB](https://en.wikipedia.org/wiki/CIE_1931_color_space#CIE_RGB_colour_space) — sRGB
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* [x] [LRGB](https://en.wikipedia.org/wiki/SRGB#Transfer_function_("gamma")) – linear light sRGB
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* [x] [HSL](https://en.wikipedia.org/wiki/HSL_and_HSV) — cylindrical-coordinates sRGB
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* [x] [HSV, HSB](https://en.wikipedia.org/wiki/HSL_and_HSV)
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* [x] [HWB](http://dev.w3.org/csswg/css-color/#the-hwb-notation)
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* [x] [HSI](https://en.wikipedia.org/wiki/HSL_and_HSV) — used for computer vision due to better separation of shapes in an image, comparing to HSL/HSB.
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* [x] [CMYK](https://en.wikipedia.org/wiki/CMYK_color_model)
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* [x] [CMY](https://en.wikipedia.org/wiki/CMYK_color_model)
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* [x] [XYZ](http://en.wikipedia.org/wiki/CIE_1931_color_space)
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* [x] [XYY (YXY)](https://en.wikipedia.org/wiki/CIE_1931_color_space#CIE_xy_chromaticity_diagram_and_the_CIE_xyY_color_space)
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* [x] [LAB](http://en.wikipedia.org/wiki/Lab_color_space)
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* [x] [LCH<sub>ab</sub>](https://en.wikipedia.org/wiki/Lab_color_space#Cylindrical_representation:_CIELCh_or_CIEHLC)
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* [x] [LUV](http://en.wikipedia.org/wiki/CIELUV)
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* [x] [LCH<sub>uv</sub>](http://en.wikipedia.org/wiki/CIELUV#Cylindrical_representation)
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* [x] [HSL<sub>uv</sub>](http://www.hsluv.org/)
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* [x] [HPL<sub>uv</sub>](http://www.hsluv.org/)
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* [x] [LAB<sub>H</sub>](http://en.wikipedia.org/wiki/Lab_color_space#Hunter_Lab)
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* [x] [YUV](https://en.wikipedia.org/?title=YUV)
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* [x] [YIQ](https://en.wikipedia.org/?title=YIQ)
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* [x] [YC<sub>g</sub>C<sub>o</sub>](https://en.wikipedia.org/wiki/YCgCo)
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* [x] [YD<sub>b</sub>D<sub>r</sub>](https://en.wikipedia.org/wiki/YDbDr)
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* [x] [YP<sub>b</sub>P<sub>r</sub>](https://en.wikipedia.org/wiki/YPbPr)
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* [x] [YC<sub>b</sub>C<sub>r</sub>](https://en.wikipedia.org/wiki/YCbCr)
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* [x] [Y<sub>c</sub>C<sub>bc</sub>C<sub>rc</sub>](https://en.wikipedia.org/wiki/YCbCr#ITU-R_BT.2020_conversion)
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* [x] [JPEG](https://en.wikipedia.org/wiki/YCbCr#JPEG_conversion)
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* [x] [XvYCC](https://en.wikipedia.org/wiki/XvYCC)
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* [x] [UCS](https://en.wikipedia.org/wiki/CIE_1960_color_space)
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* [x] [UVW](https://en.wikipedia.org/wiki/CIE_1964_color_space)
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* [x] [OKLAB](https://bottosson.github.io/posts/oklab/)
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* [ ] [Munsell](https://en.wikipedia.org/wiki/Munsell_color_system)
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* [ ] [NCS](https://en.wikipedia.org/wiki/Natural_Color_System)
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* [ ] [PMS](https://en.wikipedia.org/wiki/Pantone)
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* [ ] [RAL](https://en.wikipedia.org/wiki/RAL_colour_standard)
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* [x] [TSL](https://en.wikipedia.org/wiki/TSL_color_space) – color space designed for face detection purpose.
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* [ ] [RG](https://en.wikipedia.org/wiki/RG_color_space)
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* [ ] [RGK](https://en.wikipedia.org/wiki/RG_color_space)
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* [x] [Coloroid](https://en.wikipedia.org/wiki/Coloroid) — color space for architects and visual constructors, Hungarian Standard MSZ 7300 since 2000.
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* [ ] [OSA-UCS](https://en.wikipedia.org/wiki/OSA-UCS) — accurately reprsenting uniform color differences, developed by the Optical Society of America’s Committee on Uniform Color Scales.
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* [ ] [HKS](https://en.wikipedia.org/wiki/HKS_(colour_system))
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* [x] [LMS](http://en.wikipedia.org/wiki/LMS_color_space) — represents sensitivity of the human eye to Long, Medium and Short wavelengths.
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* [x] [Cubehelix](https://www.mrao.cam.ac.uk/~dag/CUBEHELIX/) — colormaps for data visualization.
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* [ ] [Gray](http://dev.w3.org/csswg/css-color/#grays)
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* [ ] [CIECAM02](https://en.wikipedia.org/wiki/CIECAM02)
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* [ ] [US Federal Standard 595](https://en.wikipedia.org/wiki/Federal_Standard_595)
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* [ ] [Toyo](http://mytoyocolor.com/)
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* [ ] [PhotoYCC](http://www5.informatik.tu-muenchen.de/lehre/vorlesungen/graphik/info/csc/COL_34.htm)
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* [x] [HCG](https://github.com/acterhd/hcg-legacy)
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* [ ] [HCL](http://www.chilliant.com/rgb2hsv.html)
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* [x] [HSP](http://alienryderflex.com/hsp.html)
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* [ ] [HCY](http://chilliant.blogspot.ca/2012/08/rgbhcy-in-hlsl.html)
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* [x] [YES](http://www.atlantis-press.com/php/download_paper.php?id=198) — computationally effective color space for face recognition.
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* [ ] [British Standard Colour](http://www.britishstandardcolour.com/)
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* [ ] [RG chromacity](https://en.wikipedia.org/wiki/Rg_chromaticity)
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* [ ] [CIE DSH](https://en.wikipedia.org/wiki/Rg_chromaticity)
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* [x] [HSM](http://seer.ufrgs.br/rita/article/viewFile/rita_v16_n2_p141/7428)
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## Purpose
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A complete collection of color spaces with minimal consistent and clean API, verified formulas and cases.
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While alternatives focus on digital color spaces, this project takes broader perspective, including historical / multidisciplinary spaces.
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A side effect is verifying and correcting papers.
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## Credits
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Thanks to all who contribute to color science – researchers, scientists, color theorists, specifiers, implementors, developers, and users.
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## Similar
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[culori](https://github.com/Evercoder/culori), [colorjs.io](https://colorjs.io/docs/procedural), [color-api](https://github.com/LeaVerou/color-api), [texel/color](https://github.com/texel-org/color?tab=readme-ov-file),
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<!--
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## See also
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* [color-convert](https://github.com/harthur/color-convert)
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* [chromatist](https://github.com/jrus/chromatist)
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* [spectra](https://github.com/avp/spectra)
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* [colorspaces.js](https://github.com/boronine/colorspaces.js)
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-->
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<p align="center"><a href="https://github.com/krsnzd/license/">🕉</a></p>
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