tooltipLabelColor property

Color? tooltipLabelColor
final

Specifies the text color of the tooltip.

Widget build(BuildContext context) {
  return Scaffold(
    body: Center(
      child: SfTheme(
        data: SfThemeData(
          sparkChartThemeData: SfSparkChartThemeData(
            tooltipLabelColor: Colors.amber
          )
        ),
        child: SfSparkLineChart(),
      ),
    )
  );
}

Implementation

final Color? tooltipLabelColor;