indexLabelBackgroundColor: String

Sets the Background color of Index Labels. The value of indexLabelBackgroundColor can be a “HTML Color Name” or “Hex Code”.

• Supported in all Chart Types.

var  chart =  new  CanvasJS.Chart("container",
{
 .
 .
 data:[{
  indexLabelBackgroundColor: "yellow",

  },
 ]
 .
 .
});
chart.render();