title: How to set the background color of a Flutter OutlineButton?
body: <pre><code>class _HomePageState extends State&lt;HomePage&gt; {
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text("..."),
        ),
        body: Container(
          color: Colors.green,
          child: OutlineButton(
            onPressed: () { },
            color: Colors.orange,
            highlightColor: Colors.pink,
            child: Container(
              color: Colors.yellow,
              child: Text("A"),
            ),
            shape: CircleBorder(),
          ),
        ),
      );
    }
  }
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/DvxT9.png" rel="noreferrer"><img src="https://i.stack.imgur.com/DvxT9.png" alt="enter image description here"></a></p>
  
  <p>The above code gives a transparent button. How can I get an orange OutlineButton?</p>