primaryColor property Null safety

Color primaryColor
final

The background color for major parts of the app (toolbars, tab bars, etc)

The theme's colorScheme property contains ColorScheme.primary, as well as a color that contrasts well with the primary color called ColorScheme.onPrimary. It might be simpler to just configure an app's visuals in terms of the theme's colorScheme.

Implementation

final Color primaryColor;