Color parser to and from #hex String

color_string_parser.dart

import 'dart:ui';

//creates hexString like #C6DEE5
extension ColorExtension on Color{
  String toHexString() {
    final hex = value.toRadixString(16).toUpperCase();
    return hex.replaceFirst('FF','#');
  }
}

//creates Color from hexString
extension StringExtension on String {
  Color toColorFromHexString() {
    final hexString = this;
    final buffer = StringBuffer();
    if (hexString.length == 6 || hexString.length == 7) buffer.write('FF');
    buffer.write(hexString.replaceFirst('#', ''));
    return Color(int.parse(buffer.toString(), radix: 16));
  }
}