diff --git a/res/color-night-v31/material_color_surface_container_lowest.xml b/res/color-night-v31/material_color_surface_container_lowest.xml
new file mode 100644
index 0000000..4396f6d
--- /dev/null
+++ b/res/color-night-v31/material_color_surface_container_lowest.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (C) 2024 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@android:color/system_neutral1_500" android:lStar="4" />
+</selector>
\ No newline at end of file
diff --git a/res/color-v31/material_color_surface_container_lowest.xml b/res/color-v31/material_color_surface_container_lowest.xml
new file mode 100644
index 0000000..f726aea
--- /dev/null
+++ b/res/color-v31/material_color_surface_container_lowest.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (C) 2024 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@android:color/system_neutral1_500" android:lStar="100" />
+</selector>
\ No newline at end of file
diff --git a/res/drawable/private_space_install_app_icon.xml b/res/drawable/private_space_install_app_icon.xml
index 12c4a82..cfec2b1 100644
--- a/res/drawable/private_space_install_app_icon.xml
+++ b/res/drawable/private_space_install_app_icon.xml
@@ -23,9 +23,9 @@
             android:pathData="M30 0H30A30 30 0 0 1 60 30V30A30 30 0 0 1 30 60H30A30 30 0 0 1 0 30V30A30 30 0 0 1 30 0Z" />
         <path
             android:pathData="M30 0H30A30 30 0 0 1 60 30V30A30 30 0 0 1 30 60H30A30 30 0 0 1 0 30V30A30 30 0 0 1 30 0Z"
-            android:fillColor="?attr/materialColorSurfaceContainerLowest" />
+            android:fillColor="@color/material_color_surface_container_lowest" />
         <path
             android:pathData="M29 31h-6v-2h6v-6h2v6h6v2h-6v6h-2v-6Z"
-            android:fillColor="?attr/materialColorOnSurface" />
+            android:fillColor="@color/material_color_on_surface" />
     </group>
 </vector>
diff --git a/res/values-night-v31/colors.xml b/res/values-night-v31/colors.xml
index 07c450e..0f630e5 100644
--- a/res/values-night-v31/colors.xml
+++ b/res/values-night-v31/colors.xml
@@ -57,4 +57,6 @@
         @android:color/system_accent1_200</color>
     <color name="work_fab_icon_color">
         @android:color/system_accent1_900</color>
+
+    <color name="material_color_on_surface">@android:color/system_neutral1_100</color>
 </resources>
\ No newline at end of file
diff --git a/res/values-night/colors.xml b/res/values-night/colors.xml
new file mode 100644
index 0000000..887a2a5
--- /dev/null
+++ b/res/values-night/colors.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (C) 2024 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+    <color name="material_color_surface_container_lowest">#0D0E11</color>
+    <color name="material_color_on_surface">#E3E2E6</color>
+</resources>
\ No newline at end of file
diff --git a/res/values-v31/colors.xml b/res/values-v31/colors.xml
index 5c81d49..a5cdfc7 100644
--- a/res/values-v31/colors.xml
+++ b/res/values-v31/colors.xml
@@ -110,4 +110,6 @@
         @android:color/system_accent1_900</color>
 
     <color name="overview_foreground_scrim_color">@android:color/system_neutral1_1000</color>
+
+    <color name="material_color_on_surface">@android:color/system_neutral1_900</color>
 </resources>
diff --git a/res/values/colors.xml b/res/values/colors.xml
index c82358b..3f8bede 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -142,6 +142,9 @@
     <color name="widget_cell_title_color_dark">@color/system_on_surface_dark</color>
     <color name="widget_cell_subtitle_color_dark">@color/system_on_surface_variant_dark</color>
 
+    <color name="material_color_surface_container_lowest">#FFFFFF</color>
+    <color name="material_color_on_surface">#1B1B1F</color>
+
     <color name="system_primary_container_light">#D9E2FF</color>
     <color name="system_on_primary_container_light">#001945</color>
     <color name="system_primary_light">#475D92</color>