CODEWITHSUNDEEP
javascripthighcharts
user750487
user750487

Reputation: 1063

set different colors for each column in highcharts

I need to set different colors for each column in Highcharts graph dynamically. My Highcharts graph is:

options = {
         chart: {
             renderTo: 'chart',
             type: 'column',
             width: 450
         },
         title: {
             text: 'A glance overview at your contest’s status'
         },
         xAxis: {
             categories: ['Approved Photos', 'Pending Approval Photos', 
                          'Votes', 'Entrants'],
             labels: {
                 //rotation: -45,
                 style: {
                     font: 'normal 9px Verdana, sans-serif, arial'
                 }
             }
         },
         yAxis: {
             allowDecimals: false,
             min: 0,
             title: {
                 text: 'Amount'
             }
         },
         legend: {
             enabled: false
         },
         series: []
     };
     series = {
         name: "Amount",
         data: [],
         dataLabels: {
             enabled: true,
             color: '#000000',
             align: 'right',
             x: -10,
             y: 20,
             formatter: function () {
                 return this.y;
             },
             style: {
                 font: 'normal 13px Verdana, sans-serif'
             }
     }
 };

The data is set this way:

for (var i in Data) {
  if (parseInt(Data[i]) != 0) {
    series.data.push(parseInt(Data[i]));
  } else {
    series.data.push(null);
  }
}
options.series.push(series);
chart = new Highcharts.Chart(options);

How can I dynamically set different colors for each data point in this loop?

Upvotes: 59

Views: 116110

Answers (5)

Santhosh VS
Santhosh VS

Reputation: 1

var ArrayColor = new Array();
var sColor = (nCheckValue == 0) ? 'Green' : 'Red';
ArrayColor.push(sColor);

options = {
    chart: {...},
    plotOptions: {
        column: {
            colorByPoint: true
        }
    },
    colors: ArrayColor
}

Upvotes: 0

Ravi Anand
Ravi Anand

Reputation: 5544

i had colors from API response and 2 series. second series with dynamic colors.

following is sample to set dynamic colors while series mapping. 

const response = [{
    'id': 1,
    'name': 'Mango',
    'color': '#83d8b6',
    'stock': 12.0,
    'demand': 28,
  },
  {
    id ': 2,
    'name': 'Banana',
    'color': '#d7e900',
    'stock': 12.0,
    'demand': 28,
  }
];
let chartData: {
  categories: [],
  series: []
};
chartData.categories = response.map(x => x.name);
chartData.series.push({
  name: 'Series 1',
  type: 'column',
  data: response.map(x => x.demand)
});
chartData.series.push({
  name: 'Series 2',
  type: 'column',
  data: response.map(x => ({
    y: x.stock,
    color: x.color // set color here dynamically
  }))
});
console.log('chartData: ', chartData);

you could also read more about Highcharts series Point and Marker

Upvotes: 0

escouser
escouser

Reputation: 1943

When you add the value to the series.data you can also set the color using the point options e.g

series.data.push({ y: parseInt(Data[i]), color: '#FF0000' });

For more details about the point options see https://api.highcharts.com/class-reference/Highcharts.Point#color

Upvotes: 64

Mahalakshmi Chinnadurai
Mahalakshmi Chinnadurai

Reputation: 124

Try either of these approaches:

Approach 1:

Highcharts.setOptions({ colors: ['#3B97B2', '#67BC42', '#FF56DE', '#E6D605', '#BC36FE'] });

Approach 2:

var colors = ['#3B97B2', '#67BC42', '#FF56DE', '#E6D605', '#BC36FE', '#000'];

 $('#bar_chart').highcharts({
        chart: {
            type: 'column'              
        },
        title: {
            text: ''
        },
        subtitle: {
            text: ''
        },
        xAxis: {
            type: 'category'
        },
        yAxis: {
            title: {
                text: ''
            }
        },
        legend: {
            enabled: false
        },
        plotOptions: {
            series: {
                borderWidth: 0,
                dataLabels: {
                    enabled: false                       
                }
            }
        },         

        series: [{
            name: '',
            colorByPoint: true,
            data: [{
                name: 'Blue',
                y: 5.78,
                color: colors[0]

            }, {
                name: 'Green',
                y: 5.19,
                color: colors[1]

            }, {
                name: 'Pink',
                y: 32.11,
                color: colors[2]

            }, {
                name: 'Yellow',
                y: 10.04,
                color: colors[3]

            }, {
                name: 'Purple',
                y: 19.33,
                color: colors[4]

            }]
        }]
    });

Upvotes: 9

Jérôme
Jérôme

Reputation: 2090

Here is another solution with the latest version of Highcharts (currently 3.0).

Set the colorByPoint option to true and define the color sequence that you want.

options = {
    chart: {...},
    plotOptions: {
        column: {
            colorByPoint: true
        }
    },
    colors: [
        '#ff0000',
        '#00ff00',
        '#0000ff'
    ]
}

Here is an example based upon Highcharts Column with rotated labels demo

Upvotes: 86

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