# Welcome to the Highcharts Maps JS (highmaps) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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# plotOptions.pie.color

The color of the pie series. A pie series is represented as an empty circle if the total sum of its values is 0. Use this property to define the color of its border.

In styled mode, the color can be defined by the colorIndex option. Also, the series color can be set with the `.highcharts-series`, `.highcharts-color-{n}`, `.highcharts-{type}-series` or `.highcharts-series-{n}` class, or individual classes given by the `className` option.