diff --git a/res/values/colors.xml b/res/values/colors.xml
index 0c72bd1a35b..b30de544c8a 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -69,7 +69,6 @@
     <color name="sim_noitification">@*android:color/material_deep_teal_500</color>
 
     <color name="warning">#ff5621</color>
-    <color name="confirm_device_credential_dark_background">#263238</color>
     <color name="confirm_device_credential_transparent_black">#60000000</color>
     <color name="voice_interaction_highlight">#33b5e5</color>
 
diff --git a/res/values/themes.xml b/res/values/themes.xml
index 216b090f8bb..694c5c6f85e 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -269,10 +269,10 @@
 
     <style name="Theme.ConfirmDeviceCredentialsDark" parent="@android:style/Theme.Material">
         <item name="android:colorPrimary">@color/primary_color</item>
-        <item name="android:colorPrimaryDark">@color/primary_dark_color</item>
+        <item name="android:colorAccent">@color/accent_color_lighter</item>
         <item name="android:windowActionBar">false</item>
         <item name="android:windowNoTitle">true</item>
-        <item name="android:windowBackground">@color/confirm_device_credential_dark_background</item>
+        <item name="android:windowBackground">?android:attr/colorPrimary</item>
 
         <item name="confirmDeviceCredentialsSideMargin">32dp</item>
         <item name="confirmDeviceCredentialsTopMargin">32dp</item>