Highcharts.chart('container', {

    title: {
        text: 'Legend <em>itemHiddenStyle</em> demo'
    },

    subtitle: {
        text: 'When clicking the legend to hide the series, the series name ' +
            'should become green.'
    },

    legend: {
        itemHiddenStyle: {
            color: 'green'
        }
    },

    xAxis: {
        categories: [
            'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
            'Oct', 'Nov', 'Dec'
        ]
    },

    series: [{
        data: [
            29.9, 71.5, 106.4, 129.2, 144.0,
            176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4
        ]
    }]
});