Flutter Neomorphic Button

main.dart

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: Scaffold(
        backgroundColor: Color.fromRGBO(231, 232, 234, 1),
        body: Container(
          padding: EdgeInsets.symmetric(horizontal: 25),
          child: Column(
            children: <Widget>[
              NeumorphicButton()
            ],
          ),
        ),
      ),
    );
  }
}
// Just copied and edited from my code whihc had a lot of stuff, edit it as you please all you need here is the backgroundColor of the scaffold..

neumorphic_button.dart

class NeumorphicButton extends StatefulWidget {
  NeumorphicButton({Key key}) : super(key: key);

  @override
  _NeumorphicButtonState createState() => _NeumorphicButtonState();
}

class _NeumorphicButtonState extends State<NeumorphicButton> {
  bool _selected = false;

  @override
  Widget build(BuildContext context) {
    return Container(
      decoration: BoxDecoration(
          // color: Color.alphaBlend(Color.fromRGBO(190, 191, 194, 1.0),
          //     Color.fromRGBO(255, 255, 255, 1)),
          borderRadius: BorderRadius.circular(100),
          // border: Border.all(color: Colors.red, width: 0.5),
          boxShadow: _selected
              ? [
                  BoxShadow(
                    color: Colors.black26,
                    blurRadius: 20,
                    spreadRadius: 2,
                    offset: Offset(12, 12),
                  ),
                  BoxShadow(
                    color: Colors.white70,
                    blurRadius: 20,
                    spreadRadius: 2,
                    offset: Offset(-12, -12),
                  ),
                ]
              : [
                  BoxShadow(
                    color: Colors.black26,
                    blurRadius: 30,
                    spreadRadius: 2,
                    offset: Offset(-12, -12),
                  ),
                  BoxShadow(
                    color: Colors.white60,
                    blurRadius: 20,
                    spreadRadius: 2,
                    offset: Offset(12, 12),
                  ),
                ]),
      width: 200,
      height: 200,
      child: FlatButton(
        materialTapTargetSize: MaterialTapTargetSize.padded,
        shape: new RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(100),
        ),
        splashColor: Colors.transparent,
        highlightColor: Colors.transparent,
        onPressed: () {
          setState(() {
            _selected = !_selected;
          });
        },
        child: Icon(
          Icons.power_settings_new,
          size: 40,
          color: _selected ? Color.fromRGBO(69, 224, 235, 1.0) : Colors.black,
        ),
      ),
    );
  }
}