elvated button color code example

Example 1: raised button background color doesn't changeflutter

RaisedButton(
              onPressed: null,
              child: Text('Get in'), // change it to sign-in
              color: Colors.blue,
              disabledColor: Colors.blue,//add this to your code
            )

Example 2: flutter elevated button

ElevatedButton(
      onPressed: () {},
      child: Text('Submit'),
    );