Package Exports
- colorgram
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Readme
Colorgram 
Color extraction library. In TypeScript/JavaScript. For browser/server.
Demo
Features
- small size, 1kB (minified + gzipped)
- pretty fast, 512×512 pixels in
50ms, 340×340 pixels in ~15ms (6× slower on mobile) - scans every pixel
- identical output for rotated images
- sampled by top 2 bits of 3 groups: H, L, and luminance
- calculates average per group
- fixed memory footprint, samples using 2 (bits) ^ 3 (groups) * 4 (RGB + count) * 4 (Uint32) = 65536 bytes
- usually generates small (~16 colors) palette of main colors
- supports RGB and RGBA input pixel array (compatible with ImageData.data)
- using TypedArray
- no native dependencies
Similar stuff
- lokesh/color-thief
- leeoniya/RgbQuant.js
- nrabinowitz/quantize.js
- igor-bezkrovny/image-quantization
- NeuQuant
- quantization keyword in npm
- pngquant
- Adobe Color CC
Install
npm install colorgram
Usage
See test folder.
TypeScript documentation
http://darosh.github.io/colorgram-js/doc/