Add color resources page (#74)

A bunch of stuff I came across or was useful. Definitely something that
can grow.

content/wiki/color_resources.md

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+title = "Color resources"
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+This page is an annotated list of resources about color.
+
+## Libraries
+
+* [Color](https://crates.io/crates/color) is the linebender crate for color
+* [palette](https://crates.io/crates/palette) (Rust) does more color science stuff
+* [color.js](https://github.com/color-js/color.js) is co-developed with CSS Color, can be considered authoritative
+* [Colour](https://www.colour-science.org/) for Python - quite comprehensive
+* [OpenColorIO](https://opencolorio.org/) - widely used in motion pictures
+* [Nanocolor](https://github.com/meshula/Nanocolor) - lightweight library (motion picture / XR focus)
+
+## Standards
+
+* [CSS Color Level 4](https://www.w3.org/TR/css-color-4/) 
+  + Note that the [editor's draft](https://drafts.csswg.org/css-color-4/) may be more up to date
+  + There's also [Color Level 5](https://www.w3.org/TR/css-color-5/) (cmyk & relative colors)
+  + [Color Level 6](https://drafts.csswg.org/css-color-6/) - contrast-color and color-layers
+  + [Color HDR](https://drafts.csswg.org/css-color-hdr/)
+
+## Color spaces
+
+* [Oklab](https://bottosson.github.io/posts/oklab/) by Björn Ottosson
+  + [Raph's review](https://raphlinus.github.io/color/2021/01/18/oklab-critique.html)
+  + [Okhsv and Okhsl](https://bottosson.github.io/posts/colorpicker/) - color spaces for color picking
+* [HWB–A More Intuitive Hue-Based Color Model](http://alvyray.com/Papers/CG/HWB_JGTv208.pdf) (PDF)
+* [ICtCp color space](https://en.wikipedia.org/wiki/ICtCp) (Wikipedia)
+* [Jzazbz color space](https://observablehq.com/@jrus/jzazbz) - Observable notebook by Jacob Rus
+* [sRGB](https://en.wikipedia.org/wiki/SRGB) (Wikipedia)
+* [DeviceN Color Space and Color Model](https://www.setec.org/~izaac/postscriptbooks/partners.adobe.com/asn/developer/pdfs/tn/TN5604.DeviceN_Color.pdf) - (PDF, Adobe)
+
+## ICC profiles
+
+* [International Color Consortium](https://www.color.org/)
+* [Argyll Color Management System](https://www.argyllcms.com/) - see also [qcms](https://github.com/FirefoxGraphics/qcms) which is a Rust port
+* [about icc colour profiles](https://www.colourmanagement.net/advice/about-icc-colour-profiles) by Neil Barstow
+
+## Tone mapping
+
+* [ACES Central](https://acescentral.com/)
+* [Tone Mapping Considerations for Physically-Based Rendering](https://modelviewer.dev/examples/tone-mapping)
+* [Tone Mapping](https://64.github.io/tonemapping/) by Matt Taylor
+
+## Pedagogical work
+
+* [Color Spaces](https://ciechanow.ski/color-spaces/) from Bartosz Ciechanowski
+* [handprint watercolors](https://www.handprint.com/HP/WCL/water.html) - art focus but deep [color theory](https://www.handprint.com/HP/WCL/wcolor.html)
+  + Bruce McEvoy *was* working on a book called "[Color Experience](https://web.archive.org/web/20240319075344/http://handprint.com/CE/book.html)" but it seems to have been taken down
+* [A Better Default Colormap for Matplotlib](https://www.youtube.com/watch?v=xAoljeRJ3lU) (video) - basis for viridis color scales
+* [Poynton's Color FAQ](https://poynton.ca/ColorFAQ.html) - also see related [Gamma FAQ](https://poynton.ca/GammaFAQ.html)
+  + [Guided Tour of Color Space](https://poynton.ca/PDFs/Guided_tour.pdf) by Poynton is also good
+
+## Chromatic adaptation
+
+* [Chromatic adaptation](http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html) by Bruce Lindbloom
+* [color.js documentation](https://colorjs.io/docs/adaptation)
+* [Chromatic adaptation](https://cran.r-project.org/web/packages/spacesXYZ/vignettes/adaptation.html) by Glenn Davis (mathematical vignette)
+
+## Color systems
+* [Pantone](https://www.pantone.com/) is widely used in commercial applications
+* [Freiefarbe](https://freiefarbe.de/en/) is a free alternative based on CIE HLC
+* [Munsell color system](https://en.wikipedia.org/wiki/Munsell_color_system) (Wikipedia) - the great historical color system
+
+## Color appearance models
+
+* [Algorithmic improvements for the CIECAM02 and CAM16 color appearance models](https://arxiv.org/abs/1802.06067)
+* [The non-Riemannian nature of perceptual color space](https://www.pnas.org/doi/10.1073/pnas.2119753119)