diff --git a/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard
index f2e259c..6651d5f 100644
--- a/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -19,7 +19,7 @@
                             <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
                             </imageView>
                         </subviews>
-                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                         <constraints>
                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
@@ -33,5 +33,8 @@
     </scenes>
     <resources>
         <image name="LaunchImage" width="168" height="185"/>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
     </resources>
 </document>
diff --git a/lib/main.dart b/lib/main.dart
index 0646ac6..7b32a47 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -28,6 +28,13 @@ class MainApp extends StatelessWidget {
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(
           seedColor: Colors.green,
+          brightness: Brightness.light,
+        ),
+      ),
+      darkTheme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(
+          seedColor: Colors.green,
+          brightness: Brightness.dark,
         ),
       ),
       home: Stack(