content: import 'package:flex_color_picker/flex_color_picker.dart';
  import 'package:flex_color_scheme/flex_color_scheme.dart';
  import 'package:flutter/material.dart';
  import 'package:flutter/services.dart';
  
  /// Copy the color value as a String to the Clipboard in Flutter Dart format.
  ///
  /// Notify with [SnackBar] that it was copied.
  Future<void> copyColorToClipboard(BuildContext context, Color color) async {
    final ClipboardData data = ClipboardData(text: '0x${color.hexAlpha}');
    await Clipboard.setData(data);
    final String materialName = ColorTools.materialName(color);
    final String nameThatColor = ColorTools.nameThatColor(color);
    final String space = materialName == '' ? '' : ' ';
    // Show a snack bar with the copy message.
    // ignore: use_build_context_synchronously
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Row(
          children: <Widget>[
            Card(
              color: color,
              elevation: 0.5,
              child: Padding(
                padding: const EdgeInsets.all(8),
                child: Text('#${color.hexCode}',
                    style: TextStyle(
                        color: ThemeData.estimateBrightnessForColor(color) ==
                                Brightness.light
                            ? Colors.black
                            : Colors.white)),
              ),
            ),
            const SizedBox(width: 8),
            Expanded(
              child: Text(
                'Copied color $nameThatColor $materialName${space}to '
                'the clipboard',
              ),
            ),
          ],
        ),
        duration: const Duration(milliseconds: 2000),
      ),
    );
  }
  