I am trying to customize the colors of each Y-axis grid line in Chart.JS based on their corresponding values

Utilizing MVC 4.0 and chart.JS for graph generation, I have successfully implemented horizontal lines on the Y axis using the following property:

scaleShowGridLines = true;
scaleShowHorizontalLines: true,
//Boolean - Whether to show vertical lines (except Y axis)
scaleShowVerticalLines: false,

However, my specific requirement is to have different colors for each horizontal line.

scaleGridLineColor: "rgba(0,0,0,.05)"

The above code changes the color of all horizontal lines uniformly. How can I set different colors for individual lines?

javascriptasp.net-mvc-4chart.jsreact-chartjs

Answer №1

To customize the appearance of each line on the Y-axis, you can use a color array within the gridLines property.

customizeOptions: {
     axisStyles: {
         yAxis: [{
             gridLines: {
                  colors: ['rgba(255, 145, 0, 0.9)', 'rgba(36, 206, 0, 0.8)', 'rgba(0, 128, 255, 0.7)', 'rgba(200, 50, 100, 0.8)'],
             }
          }],
      },
 }}

Answer №2

To customize the colors of the horizontal and vertical gridlines individually, you can include a scales setup in the options section:

scales: {
    yAxes: [{
        gridLines: {
            color: 'blue'
        }
    }],
    xAxes: [{
        gridLines: {
            color: 'yellow'
        }  
    }]
}

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