sliderIndicatorSchemeColor property
The ColorScheme based color used on the Slider indicator color.
If not defined, the Slider theme defaults in M2 mode to a dark grey in light mode, and a light grey in dark mode. In M3 mode it uses the sliderBaseSchemeColor as its color if not defined, defaulting to primary color if neither is defined.
Implementation
final SchemeColor? sliderIndicatorSchemeColor;