✨ Dynamic generate color to fit user background image

lib/services/color.dart

@@ -0,0 +1,7 @@
+import 'package:flutter/widgets.dart';
+
+extension ColorInversion on Color {
+  Color get invert {
+    return Color.fromARGB(alpha, 255 - red, 255 - green, 255 - blue);
+  }
+}