# 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.

# navigator.xAxis.crosshair.color

The color of the crosshair. Defaults to `#cccccc` for numeric and datetime axes, and `rgba(204,214,235,0.25)` for category axes, where the crosshair by default highlights the whole category.