Package Exports

chroma-js

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Readme

Chroma.js

Chroma.js is a tiny JavaScript library (12kB) for all kinds of color conversions and color scales.

Usage

Initiate and manipulate colors:

chroma('#D4F880').darken().hex();  // #9BC04B

Working with color scales is easy, too:

scale = chroma.scale(['white', 'red']);
scale(0.5).hex(); // #FF7F7F

Lab/Lch interpolation looks better than RGB

chroma.scale(['white', 'red']).mode('lab');

Custom domains! Quantiles! Color Brewer!!

chroma.scale('RdYlBu').domain(myValues, 7, 'quantiles');

And why not use logarithmic color scales once in your life?

chroma.scale(['lightyellow', 'navy']).domain([1, 100000], 7, 'log');

Like it?

Why not dive into the API docs (quite short actually), and download chroma.min.js right away.

You can use it in node.js, too!

npm install chroma-js

Build instructions

To compile the coffee-script source files you have to run (might have to ``npm install` first)

grunt

To run the tests simply run

npm test

Similar Libraries / Prior Art

Chromatist
GrapeFruit (Python)
colors.py (Python)
d3.js

Author

Chroma.js is written by Gregor Aisch.

License

Released under BSD license. Versions prior to 0.4 were released under GPL.

Known issues

HSI color conversion is experimental and produces weird results sometimes

chroma-js