diff --git a/res/values/strings.xml b/res/values/strings.xml
index d7f2934..a5d40e4 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -642,6 +642,10 @@
     <!-- Summary for the fullscreen lab feature [CHAR LIMIT=120] -->
     <string name="pref_lab_fullscreen_summary">
       Use fullscreen mode to hide the status bar.</string>
+    <!-- Title for the inverted screen lab feature. This causes the screen to render with inverted colors (black becomes white and vice versa) [CHAR LIMIT=40] -->
+    <string name="pref_lab_inverted">Inverted Rendering</string>
+    <!-- Summary for the inverted screen lab feature. [CHAR LIMIT=120] -->
+    <string name="pref_lab_inverted_summary">Checking this causes the browser to invert colors. Black will become white and vice versa.</string>
     <!-- Title for bandwidth management preference [CHAR LIMIT=25] -->
     <string name="pref_data_title">Bandwidth Management</string>
     <!-- Title for search preloading [CHAR LIMIT=40] -->
diff --git a/res/xml-sw600dp/lab_preferences.xml b/res/xml-sw600dp/lab_preferences.xml
index 1dbec88..512c8c1 100644
--- a/res/xml-sw600dp/lab_preferences.xml
+++ b/res/xml-sw600dp/lab_preferences.xml
@@ -16,17 +16,19 @@
 
 <PreferenceScreen
         xmlns:android="http://schemas.android.com/apk/res/android" >
-
     <CheckBoxPreference
         android:key="enable_quick_controls"
         android:defaultValue="false"
         android:title="@string/pref_lab_quick_controls"
         android:summary="@string/pref_lab_quick_controls_summary" />
-
     <CheckBoxPreference
         android:key="use_instant_search"
         android:defaultValue="false"
         android:title="@string/pref_use_instant_search"
         android:summary="@string/pref_use_instant_search_summary" />
-
+    <CheckBoxPreference
+        android:key="inverted"
+        android:defaultValue="false"
+        android:title="@string/pref_lab_inverted"
+        android:summary="@string/pref_lab_inverted_summary" />
 </PreferenceScreen>
diff --git a/res/xml/lab_preferences.xml b/res/xml/lab_preferences.xml
index 3320cee..a3de6ca 100644
--- a/res/xml/lab_preferences.xml
+++ b/res/xml/lab_preferences.xml
@@ -26,4 +26,9 @@
         android:defaultValue="false"
         android:title="@string/pref_lab_fullscreen"
         android:summary="@string/pref_lab_fullscreen_summary" />
+    <CheckBoxPreference
+        android:key="inverted"
+        android:defaultValue="false"
+        android:title="@string/pref_lab_inverted"
+        android:summary="@string/pref_lab_inverted_summary" />
 </PreferenceScreen>