diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 77b451f..7a2bbc1 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -412,7 +412,7 @@
      <dimen name="light_y">-200dp</dimen>
      <dimen name="light_z">800dp</dimen>
      <dimen name="light_radius">800dp</dimen>
-     <item type="dimen" format="float" name="ambient_shadow_alpha">0.06</item>
-     <item type="dimen" format="float" name="spot_shadow_alpha">0.16</item>
+     <item type="dimen" format="float" name="ambient_shadow_alpha">0.047</item>
+     <item type="dimen" format="float" name="spot_shadow_alpha">0.098</item>
 
 </resources>
diff --git a/libs/hwui/ShadowTessellator.cpp b/libs/hwui/ShadowTessellator.cpp
index c1ffa0a..35cc7a4 100644
--- a/libs/hwui/ShadowTessellator.cpp
+++ b/libs/hwui/ShadowTessellator.cpp
@@ -37,7 +37,7 @@
 
     // A bunch of parameters to tweak the shadow.
     // TODO: Allow some of these changable by debug settings or APIs.
-    float heightFactor = 1.0f / 128;
+    float heightFactor = 1.0f / 86;
     const float geomFactor = 64;
 
     Caches& caches = Caches::getInstance();