# 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.

# accessibility.highContrastTheme

Theme to apply to the chart when Windows High Contrast Mode is detected. By default, a high contrast theme matching the high contrast system colors is used.