diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java
index 20597c9c1..2d6496a74 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java
@@ -47,6 +47,7 @@ import androidx.preference.ListPreference;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 
+import com.google.android.material.color.DynamicColors;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
 import org.slf4j.Logger;
@@ -394,10 +395,7 @@ public class SettingsActivity extends AbstractSettingsActivityV2 {
                 amoled_black.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
                     @Override
                     public boolean onPreferenceChange(Preference preference, Object newVal) {
-                        // Signal activities that the theme has changed
-                        Intent intent = new Intent();
-                        intent.setAction(GBApplication.ACTION_THEME_CHANGE);
-                        LocalBroadcastManager.getInstance(requireContext()).sendBroadcast(intent);
+                        sendThemeChangeIntent();
                         return true;
                     }
                 });
@@ -414,10 +412,19 @@ public class SettingsActivity extends AbstractSettingsActivityV2 {
                             else
                                 amoled_black.setEnabled(true);
                         }
-                        // Signal activities that the theme has changed
-                        Intent intent = new Intent();
-                        intent.setAction(GBApplication.ACTION_THEME_CHANGE);
-                        LocalBroadcastManager.getInstance(requireContext()).sendBroadcast(intent);
+                        // Warn user if dynamic colors are not available
+                        if (val.equals(requireContext().getString(R.string.pref_theme_value_dynamic)) && !DynamicColors.isDynamicColorAvailable()) {
+                            new MaterialAlertDialogBuilder(requireContext())
+                                    .setTitle(R.string.warning)
+                                    .setMessage(R.string.pref_theme_dynamic_colors_not_available_warning)
+                                    .setIcon(R.drawable.ic_warning)
+                                    .setPositiveButton(R.string.ok, (dialog, whichButton) -> {
+                                        sendThemeChangeIntent();
+                                    })
+                                    .show();
+                        } else {
+                            sendThemeChangeIntent();
+                        }
                         return true;
                     }
                 });
@@ -562,5 +569,14 @@ public class SettingsActivity extends AbstractSettingsActivityV2 {
                     .putString("location_longitude", longitude)
                     .apply();
         }
+
+        /**
+         * Signal running activities that the theme has changed
+         */
+        private void sendThemeChangeIntent() {
+            Intent intent = new Intent();
+            intent.setAction(GBApplication.ACTION_THEME_CHANGE);
+            LocalBroadcastManager.getInstance(requireContext()).sendBroadcast(intent);
+        }
     }
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 21738ba0f..2e6a11bc8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2227,4 +2227,5 @@
     <string name="pref_activity_full_sync_trigger_summary">Trigger a full sync of all activity data</string>
     <string name="pref_activity_full_sync_trigger_title">Full sync</string>
     <string name="pref_activity_full_sync_trigger_warning">This will trigger a full sync of all activity data from the device. It may take a few minutes to complete.</string>
+    <string name="pref_theme_dynamic_colors_not_available_warning">Dynamic colors are not available on your device, only Android 12+ supports this functionality. Gadgetbridge will use the default Material 3 colors.</string>
 </resources>