DART

materialstateproperty color

ElevatedButton(
          style: ButtonStyle(
          backgroundColor: MaterialStateProperty.all(Colors.amberAccent)),
          onPressed: () {},
          child: const Text(
            "Hover Me",
            style: TextStyle(
              fontSize: 20,
            ),
          ),
        ),

MaterialStateProperty? backgroundColor

backgroundColor: MaterialStateProperty.all(Colors.red),
//OR
backgroundColor: MaterialStateProperty.all(Color(0xFF5D5F6E)),

MaterialStateProperty flutter

// ** Declaration ** //
MaterialStateProperty<Color?>? redColor = MaterialStateProperty.all(Colors.red);
// backgroundColor property
backgroundColor: MaterialStateProperty.all(Colors.green),
//OR
backgroundColor: MaterialStateProperty.all(Color(0xFFEDEDED)),