diff --git a/res/values/strings.xml b/res/values/strings.xml
index 87f7a1f8f95..5f627ddb685 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -7047,8 +7047,11 @@
     <string name="picture_color_mode_desc">Use sRGB</string>
 
     <!-- Name of the setting to change the display's color temperature -->
-    <string name="color_temperature">Display color temperature</string>
+    <string name="color_temperature">Cool color temperature</string>
 
     <!-- Description of the setting to change the display's color temperature -->
-    <string name="color_temperature_desc">Enable cool temperature</string>
+    <string name="color_temperature_desc">Use cooler display colors</string>
+
+    <!-- Toast message letting the user know the color temperature setting is not immediate -->
+    <string name="color_temperature_toast">To apply color change, turn off screen</string>
 </resources>
diff --git a/src/com/android/settings/DevelopmentSettings.java b/src/com/android/settings/DevelopmentSettings.java
index 8b86f8fdbd6..3912a3f4820 100644
--- a/src/com/android/settings/DevelopmentSettings.java
+++ b/src/com/android/settings/DevelopmentSettings.java
@@ -71,6 +71,7 @@ import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.settings.fuelgauge.InactiveApps;
@@ -1205,6 +1206,7 @@ public class DevelopmentSettings extends SettingsPreferenceFragment
         SystemProperties.set(COLOR_TEMPERATURE_PROPERTY,
                 mColorTemperaturePreference.isChecked() ? "1" : "0");
         pokeSystemProperties();
+        Toast.makeText(getActivity(), R.string.color_temperature_toast, Toast.LENGTH_LONG).show();
     }
 
     private void updateUSBAudioOptions() {