# Welcome to the Highcharts Gantt JS (gantt) Options Reference

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

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# plotOptions.series.marker.states.hover.fillColor

The fill color of the marker in hover state. When `undefined`, the series' or point's fillColor for normal state is used.