diff --git a/res/layout/split_message_list.xml b/res/layout/split_message_list.xml
index 652fbb55f..0477b3915 100644
--- a/res/layout/split_message_list.xml
+++ b/res/layout/split_message_list.xml
@@ -17,7 +17,7 @@
         android:id="@+id/message_list_divider"
         android:layout_width="1px"
         android:layout_height="fill_parent"
-        android:background="#ffcccccc"
+        android:background="?attr/messageListDividerColor"
         android:visibility="gone"
         tools:ignore="PxUsage" />
 
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 0ab5e116a..36f205af5 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -49,6 +49,7 @@
         <attr name="messageListThreadCountForegroundColor" format="reference|color"/>
         <attr name="messageListThreadCountBackground" format="reference|color"/>
         <attr name="messageListActiveItemBackgroundColor" format="reference|color"/>
+        <attr name="messageListDividerColor" format="reference|color"/>
 
     </declare-styleable>
 
diff --git a/res/values/themes.xml b/res/values/themes.xml
index 0c9ea41be..f39ed8140 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -48,6 +48,7 @@
         <item name="messageListThreadCountForegroundColor">?android:attr/colorBackground</item>
         <item name="messageListThreadCountBackground">@drawable/thread_count_box_light</item>
         <item name="messageListActiveItemBackgroundColor">#ff2ea7d1</item>
+        <item name="messageListDividerColor">#ffcccccc</item>
     </style>
 
     <style name="Theme.K9.Dark.Base" parent="Theme.Sherlock">
@@ -98,6 +99,7 @@
         <item name="messageListThreadCountForegroundColor">?android:attr/colorBackground</item>
         <item name="messageListThreadCountBackground">@drawable/thread_count_box_dark</item>
         <item name="messageListActiveItemBackgroundColor">#ff33b5e5</item>
+        <item name="messageListDividerColor">#ff333333</item>
     </style>
 
     <style name="Theme.K9.Light" parent="Theme.K9.Light.Base">