Adding a linear gradient with a fade effect to Highcharts sparkline chart: Step by step guide

I am working with a Highcharts sparkline chart, and the design in my Figma file resembles the image provided below. I would like to customize the chart by adding transparency and a linear-gradient effect. Can anyone provide guidance on how to achieve this?

https://i.stack.imgur.com/7DxNI.jpg

Answer №1

The sparkline chart utilizes a variety of area charts and incorporates gradient for the area series using the option series.fillColor in the following manner:

For example:

  series: [{
    data: [1, 2, 3, 4, 5],
    fillColor: {
      linearGradient: {
        x1: 0,
        y1: 0,
        x2: 0,
        y2: 1
      },
      stops: [
        [0, Highcharts.getOptions().colors[0]],
        [1, Highcharts.color(Highcharts.getOptions().colors[0]).setOpacity(0).get('rgba')]
      ]
    }
  }]

Demonstrations: https://jsfiddle.net/BlackLabel/ak1yrL0w/ https://jsfiddle.net/BlackLabel/sr0xnw1d/

API Reference: https://api.highcharts.com/highcharts/series.area.fillColor

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