parseColor method
Implementation
Color parseColor(String value) {
return Color.fromARGB(
int.tryParse(value.substring(1, 3), radix: 16)!,
int.tryParse(value.substring(3, 5), radix: 16)!,
int.tryParse(value.substring(5, 7), radix: 16)!,
int.tryParse(value.substring(7), radix: 16)!);
}