diff --git a/res/values/cherish_strings.xml b/res/values/cherish_strings.xml
index 30a6584..80a777e 100644
--- a/res/values/cherish_strings.xml
+++ b/res/values/cherish_strings.xml
@@ -713,7 +713,7 @@
     <!-- Quick QS Panel brightness slider -->
     <string name="quick_qs_brightness_slider_title">Show brightness slider in Quick QS Panel</string>
     <string name="quick_qs_brightness_slider_summary">Show a brightness slider in the quick qs panel</string>
-	
+
 	<!-- Volume rocker gestures -->
     <string name="volume_skiptrack_screen_title">Skip music tracks</string>
 	
@@ -755,6 +755,18 @@
     <string name="qs_brightness_slider_position_top">Top</string>
     <string name="qs_brightness_slider_position_bottom">Bottom</string>
 
+	<!-- Monet Engine -->
+    <string name="monet_category">Monet</string>
+    <string name="monet_engine_title">Monet engine</string>
+    <string name="monet_engine_summary">Customize monet parameters</string>
+    <string name="monet_engine_custom_color_title">Use custom color</string>
+    <string name="monet_engine_custom_color_summary">Use custom color for monet engine instead of wallpaper colors</string>
+    <string name="monet_engine_color_override_title">Custom color</string>
+    <string name="monet_engine_white_luminance_user_title">White luminance</string>
+    <string name="monet_engine_accurate_shades_title">Use accurate shades</string>
+    <string name="monet_engine_chroma_factor_title">Chroma factor</string>
+    <string name="monet_engine_linear_lightness_title">Use linear lightness</string>
+
     <!-- Quick Settings brightness icon -->
     <string name="qs_show_auto_brightness_title">Auto brightness icon</string>
     <string name="qs_show_auto_brightness_summary">Show toggle for adaptive brightness near the slider</string>
diff --git a/res/xml/cherish_settings_monet.xml b/res/xml/cherish_settings_monet.xml
new file mode 100644
index 0000000..bf7f2f3
--- /dev/null
+++ b/res/xml/cherish_settings_monet.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020-22 The CherishOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
+    android:title="@string/monet_engine_title">
+
+    <com.cherish.settings.preferences.SecureSettingSwitchPreference
+        android:key="monet_engine_custom_color"
+        android:title="@string/monet_engine_custom_color_title"
+        android:summary="@string/monet_engine_custom_color_summary"
+        android:defaultValue="false" />
+
+    <net.margaritov.preference.colorpicker.ColorPickerPreference
+        android:key="monet_engine_color_override"
+        android:title="@string/monet_engine_color_override_title"
+        android:dependency="monet_engine_custom_color"
+        android:defaultValue="0xffffff" />
+
+    <com.cherish.settings.preferences.SecureSettingSeekBarPreference
+        android:key="monet_engine_white_luminance_user"
+        android:title="@string/monet_engine_white_luminance_user_title"
+        android:defaultValue="425"
+        android:max="1000"
+        settings:min="200"
+        settings:interval="25"/>
+
+    <com.cherish.settings.preferences.SecureSettingSwitchPreference
+        android:key="monet_engine_accurate_shades"
+        android:title="@string/monet_engine_accurate_shades_title"
+        android:defaultValue="true" />
+
+    <com.cherish.settings.preferences.SecureSettingSeekBarPreference
+        android:key="monet_engine_chroma_factor"
+        android:title="@string/monet_engine_chroma_factor_title"
+        android:defaultValue="100"
+        android:max="400"
+        settings:min="50"
+        settings:interval="25"/>
+
+    <com.cherish.settings.preferences.SecureSettingSwitchPreference
+        android:key="monet_engine_linear_lightness"
+        android:title="@string/monet_engine_linear_lightness_title"
+        android:defaultValue="false" />
+</PreferenceScreen>
diff --git a/res/xml/cherish_settings_quicksettings.xml b/res/xml/cherish_settings_quicksettings.xml
index 6afd0e7..3200cf4 100644
--- a/res/xml/cherish_settings_quicksettings.xml
+++ b/res/xml/cherish_settings_quicksettings.xml
@@ -79,8 +79,8 @@
 	<PreferenceCategory
         android:key="quick_settings_brighness_category"
         android:title="@string/qs_brightness_slider_category">
-			
-		<!-- Brightness slider -->
+
+        <!-- Brightness slider -->
         <com.cherish.settings.preferences.SecureSettingListPreference
             android:key="qs_show_brightness_slider"
             android:title="@string/qs_show_brightness_slider_title"
diff --git a/res/xml/cherish_settings_theme.xml b/res/xml/cherish_settings_theme.xml
index f6e9896..ef43706 100644
--- a/res/xml/cherish_settings_theme.xml
+++ b/res/xml/cherish_settings_theme.xml
@@ -34,6 +34,12 @@
 	
 	<PreferenceCategory
         android:title="@string/theme_customization_category">
+		
+		<Preference
+        android:key="monet_engine"
+        android:title="@string/monet_engine_title"
+        android:summary="@string/monet_engine_summary"
+        android:fragment="com.cherish.settings.fragments.MonetEngine" />
 
         <Preference
             android:key="dark_ui_mode"
diff --git a/src/com/cherish/settings/fragments/ui/MonetEngine.java b/src/com/cherish/settings/fragments/ui/MonetEngine.java
new file mode 100644
index 0000000..12c45b7
--- /dev/null
+++ b/src/com/cherish/settings/fragments/ui/MonetEngine.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2020-2022 The CherishOS 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.
+ */
+package com.cherish.settings.fragments;
+
+import static android.os.UserHandle.USER_SYSTEM;
+
+import android.app.ActivityManagerNative;
+import android.app.UiModeManager;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.om.IOverlayManager;
+import android.content.om.OverlayInfo;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
+import android.graphics.Color;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.UserHandle;
+import android.provider.Settings;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.IWindowManager;
+import android.view.View;
+import android.view.WindowManagerGlobal;
+import android.widget.Toast;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.Utils;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+import net.margaritov.preference.colorpicker.ColorPickerPreference;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class MonetEngine extends SettingsPreferenceFragment implements OnPreferenceChangeListener {
+
+    private String MONET_ENGINE_COLOR_OVERRIDE = "monet_engine_color_override";
+
+    private ColorPickerPreference mMonetColor;
+    private Context mContext;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        addPreferencesFromResource(R.xml.cherish_settings_monet);
+
+        mContext = getActivity();
+
+        final ContentResolver resolver = getActivity().getContentResolver();
+        final PreferenceScreen screen = getPreferenceScreen();
+
+        mMonetColor = (ColorPickerPreference) screen.findPreference(MONET_ENGINE_COLOR_OVERRIDE);
+        int intColor = Settings.Secure.getInt(resolver, MONET_ENGINE_COLOR_OVERRIDE, Color.WHITE);
+        String hexColor = String.format("#%08x", (0xffffff & intColor));
+        mMonetColor.setNewPreviewColor(intColor);
+        mMonetColor.setSummary(hexColor);
+        mMonetColor.setOnPreferenceChangeListener(this);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.CHERISH_SETTINGS;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        ContentResolver resolver = getActivity().getContentResolver();
+        if (preference == mMonetColor) {
+            String hex = ColorPickerPreference.convertToARGB(Integer
+                .parseInt(String.valueOf(newValue)));
+            preference.setSummary(hex);
+            int intHex = ColorPickerPreference.convertToColorInt(hex);
+            Settings.Secure.putInt(resolver,
+                MONET_ENGINE_COLOR_OVERRIDE, intHex);
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * For Search.
+     */
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.cherish_settings_monet);
+}