timeSelectorSeparatorColor property
final
The color of the time selector separator between the hour and minute controls.
if this is null, the time picker defaults to the overall theme's ColorScheme.onSurface.
If this is null and ThemeData.useMaterial3 is false, then defaults to the value of hourMinuteTextColor.
Implementation
final MaterialStateProperty<Color?>? timeSelectorSeparatorColor;