How To Use Different Color Formats Hex Argb Rgbo In Flutter

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
        home: Scaffold(
          appBar: AppBar(
            backgroundColor: Color(0xFFF9A825),
            title: Text('Use Different Color Formats Hex ARGB RGBO'),
          ),
            body: SafeArea(
                child: Center(
                    child: Column(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children:[

                        Text('Color Constants',
                            style: TextStyle(fontSize : 26, color: Colors.pink)),

                        Text('Hexadecimal Color',
                            style: TextStyle(fontSize : 26, color: Color(0xFFC0CA33))),

                        Text('ARGB Color',
                            style: TextStyle(fontSize : 26, color: Color.fromARGB(255, 255, 128, 0))),

                        Text('RGBO Color',
                            style: TextStyle(fontSize : 26, color: Color.fromRGBO(0, 155, 0, 1.0)))

                      ],
                    )
                )
            )
        )
    );
  }
}