diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 5d36a08b..de53dc27 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -176,6 +176,11 @@
         <item>3</item> <!-- COLOR_MODE_AUTOMATIC -->
     </integer-array>
 
+    <!-- Color mode to use when accessibility transforms are enabled. This color mode must be
+     supported by the device, but not necessarily appear in config_availableColorModes. The
+     regularly selected color mode will be used if this value is negative. -->
+    <integer name="config_accessibilityColorMode">2</integer>
+
     <!-- Boolean indicating whether the HWC setColorTransform function can be performed efficiently
          in hardware. -->
     <bool name="config_setColorTransformAccelerated">true</bool>