A ImageMagick Script Can Generate Color Palettes JSON Format.

Install

First download and install ImageMagick. In Mac OS X, you can simply use Homebrew and do:

brew install imagemagick

then either use npm:

npm install colors-palette

or clone the repo:

git clone git://github.com/cyrilis/colors-palette.git

Usage :

    var colorPalette = require("colors-palette");

    colorPalette("/path/to/img", 8, function(err, colors){

        if(err){
            console.error(err);
            return false;
        }

        console.log(colors);

    });

Result JSON:

{
    "result": [
        {
            "counts": 272530,
            "rgb": "228,234,237",
            "hex": "E4EAED",
            "percentage": 0.2957,
            "percent": "29.57%"
        },
        {
            "counts": 148684,
            "rgb": "172,142,114",
            "hex": "AC8E72",
            "percentage": 0.1613,
            "percent": "16.13%"
        },
        {
            "counts": 133115,
            "rgb": "191,181,170",
            "hex": "BFB5AA",
            "percentage": 0.1444,
            "percent": "14.44%"
        },
        {
            "counts": 103595,
            "rgb": "95,11,9",
            "hex": "5F0B09",
            "percentage": 0.1124,
            "percent": "11.24%"
        },
        {
            "counts": 100268,
            "rgb": "201,177,152",
            "hex": "C9B198",
            "percentage": 0.1088,
            "percent": "10.88%"
        },
        {
            "counts": 84419,
            "rgb": "163,59,55",
            "hex": "A33B37",
            "percentage": 0.0916,
            "percent": "9.16%"
        },
        {
            "counts": 66604,
            "rgb": "57,20,15",
            "hex": "39140F",
            "percentage": 0.0723,
            "percent": "7.23%"
        },
        {
            "counts": 12385,
            "rgb": "189,113,141",
            "hex": "BD718D",
            "percentage": 0.0134,
            "percent": "1.34%"
        }
    ]
}

Test Image

Example