html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.gauges.linear([15, 20, 25, 30, 44]);

​

    var customColorScale = anychart.scales.ordinalColor();

    customColorScale.ranges([

        {less: 0.3},

        {from: 0.3, to: 0.7},

        {greater: 0.7}

    ]);

    customColorScale.colors(['#F44336', '#2196F3', '#4CAF50']);

​

    var scaleBar = chart.scaleBar();

    scaleBar.from(0);

    scaleBar.to(1);

​

    // Set color scale.

    scaleBar.colorScale(customColorScale);

​

    chart.width(600).height(400);

    chart.title('Set color scale');

    chart.axis({offset: '-11%'});

    chart.scale({minimum:0});

    chart.container('container');

    chart.draw();

});