how to change indicator color of Circular progress Flutter code example

Example 1: how to change color of circular progress indicator in flutter

valueColor: new AlwaysStoppedAnimation<Color>(Colors.blue),

Example 2: circular progress indicator flutter height

SizedBox(
                  height: 100,
                  width: 100,
                  child: Center(
                    child: CircularProgressIndicator(),
                  ),
                )