diff --git a/DemoApp/DemoApp/DemoApp.csproj b/DemoApp/DemoApp/DemoApp.csproj
index 84c0a07f..c36428c4 100644
--- a/DemoApp/DemoApp/DemoApp.csproj
+++ b/DemoApp/DemoApp/DemoApp.csproj
@@ -162,6 +162,12 @@
 	</ItemGroup>
 
 	<ItemGroup>
+	  <MauiXaml Update="Resources\Styles\DarkTheme.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
+	  <MauiXaml Update="Resources\Styles\LightTheme.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
 	  <MauiXaml Update="Views\SliderSamplePage.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
diff --git a/DemoApp/DemoApp/MauiProgram.cs b/DemoApp/DemoApp/MauiProgram.cs
index be53816e..2c0aebf4 100644
--- a/DemoApp/DemoApp/MauiProgram.cs
+++ b/DemoApp/DemoApp/MauiProgram.cs
@@ -14,7 +14,7 @@ public static MauiApp CreateMauiApp()
         builder
             .UseMauiApp<App>()
             .UseMauiCommunityToolkit()
-            .UseTrimbleModus()
+            .UseTrimbleModus(new Resources.Styles.LightTheme(), new Resources.Styles.DarkTheme())
             .ConfigureFonts(fonts =>
             {
                 fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
diff --git a/DemoApp/DemoApp/Resources/Styles/DarkTheme.xaml b/DemoApp/DemoApp/Resources/Styles/DarkTheme.xaml
new file mode 100644
index 00000000..db8c72a6
--- /dev/null
+++ b/DemoApp/DemoApp/Resources/Styles/DarkTheme.xaml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ResourceDictionary xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="DemoApp.Resources.Styles.DarkTheme">
+
+  <Color x:Key="PrimaryFillButtonBackgroundColor">green</Color>
+</ResourceDictionary>
diff --git a/DemoApp/DemoApp/Resources/Styles/DarkTheme.xaml.cs b/DemoApp/DemoApp/Resources/Styles/DarkTheme.xaml.cs
new file mode 100644
index 00000000..6beb7088
--- /dev/null
+++ b/DemoApp/DemoApp/Resources/Styles/DarkTheme.xaml.cs
@@ -0,0 +1,9 @@
+namespace DemoApp.Resources.Styles;
+
+public partial class DarkTheme : ResourceDictionary
+{
+	public DarkTheme()
+	{
+		InitializeComponent();
+	}
+}
\ No newline at end of file
diff --git a/DemoApp/DemoApp/Resources/Styles/LightTheme.xaml b/DemoApp/DemoApp/Resources/Styles/LightTheme.xaml
new file mode 100644
index 00000000..681d97c7
--- /dev/null
+++ b/DemoApp/DemoApp/Resources/Styles/LightTheme.xaml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ResourceDictionary xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+                    x:Class="DemoApp.Resources.Styles.LightTheme">
+  <Color x:Key="PrimaryFillButtonBackgroundColor">brown</Color>
+</ResourceDictionary>
diff --git a/DemoApp/DemoApp/Resources/Styles/LightTheme.xaml.cs b/DemoApp/DemoApp/Resources/Styles/LightTheme.xaml.cs
new file mode 100644
index 00000000..dd55fb6b
--- /dev/null
+++ b/DemoApp/DemoApp/Resources/Styles/LightTheme.xaml.cs
@@ -0,0 +1,9 @@
+namespace DemoApp.Resources.Styles;
+
+public partial class LightTheme : ResourceDictionary
+{
+	public LightTheme()
+	{
+		InitializeComponent();
+	}
+}
\ No newline at end of file
diff --git a/Trimble.Modus.Components/Helpers/ThemeManager.cs b/Trimble.Modus.Components/Helpers/ThemeManager.cs
index ec89923c..bb150232 100644
--- a/Trimble.Modus.Components/Helpers/ThemeManager.cs
+++ b/Trimble.Modus.Components/Helpers/ThemeManager.cs
@@ -7,10 +7,59 @@ public class ThemeManager
         private static ResourceDictionary DarkThemeResourceDictionary { get; set; }
         internal static AppTheme CurrentTheme { get; private set; }
 
-        public static void Initialize()
+        public static void Initialize(ResourceDictionary lightTheme = null, ResourceDictionary darkTheme = null, bool useDarkThemeAsLightTheme = false)
         {
-            LightThemeResourceDictionary = new Styles.LightTheme();
-            DarkThemeResourceDictionary = new Styles.DarkTheme();
+            var defaultLightTheme = new Styles.LightTheme();
+            var defaultDarkTheme = new Styles.DarkTheme();
+            if (lightTheme != null && lightTheme.Count > 0)
+            {
+                LightThemeResourceDictionary = lightTheme;
+                var notExistsInDictionary = defaultLightTheme.Where(x => !lightTheme.ContainsKey(x.Key)).ToDictionary(x => x.Key, x => x.Value);
+                foreach (var item in notExistsInDictionary)
+                {
+                    var keyExists = LightThemeResourceDictionary.ContainsKey(item.Key);
+                    if (keyExists)
+                    {
+                        LightThemeResourceDictionary[item.Key] = item.Value;
+                    }
+                    else
+                    {
+                        LightThemeResourceDictionary.Add(item.Key, item.Value);
+                    }
+                }
+            }
+            else
+            {
+                LightThemeResourceDictionary = defaultLightTheme;
+            }
+            if (useDarkThemeAsLightTheme)
+            {
+                DarkThemeResourceDictionary = LightThemeResourceDictionary;
+            }
+            else
+            {
+                if (darkTheme != null && darkTheme.Count > 0)
+                {
+                    DarkThemeResourceDictionary = darkTheme;
+                    var notExistsInDictionary = defaultDarkTheme.Where(x => !darkTheme.ContainsKey(x.Key)).ToDictionary(x => x.Key, x => x.Value);
+                    foreach (var item in notExistsInDictionary)
+                    {
+                        var keyExists = DarkThemeResourceDictionary.ContainsKey(item.Key);
+                        if (keyExists)
+                        {
+                            DarkThemeResourceDictionary[item.Key] = item.Value;
+                        }
+                        else
+                        {
+                            DarkThemeResourceDictionary.Add(item.Key, item.Value);
+                        }
+                    }
+                }
+                else
+                {
+                    DarkThemeResourceDictionary = defaultDarkTheme;
+                }
+            }
 
             UpdateTheme(Application.Current.RequestedTheme);
 
diff --git a/Trimble.Modus.Components/Hosting/AppBuilderExtensions.cs b/Trimble.Modus.Components/Hosting/AppBuilderExtensions.cs
index 8551faba..3f06c6cc 100644
--- a/Trimble.Modus.Components/Hosting/AppBuilderExtensions.cs
+++ b/Trimble.Modus.Components/Hosting/AppBuilderExtensions.cs
@@ -1,6 +1,5 @@
 using Microsoft.Maui.LifecycleEvents;
 using SkiaSharp.Views.Maui.Handlers;
-using Trimble.Modus.Components;
 using Trimble.Modus.Components.Helpers;
 #if ANDROID
 using Trimble.Modus.Components.Popup.Pages;
@@ -20,7 +19,10 @@ public static class AppBuilderExtensions
     /// <param name="builder"><see cref="MauiAppBuilder"/> generated by <see cref="MauiApp"/> </param>
     /// <param name="options"><see cref="Options"/></param>
     /// <returns><see cref="MauiAppBuilder"/> initialized for <see cref="CommunityToolkit.Maui"/></returns>
-    public static MauiAppBuilder UseTrimbleModus(this MauiAppBuilder builder)
+    public static MauiAppBuilder UseTrimbleModus(this MauiAppBuilder builder,
+                                                 ResourceDictionary lightTheme = null,
+                                                 ResourceDictionary darkTheme = null,
+                                                 bool useDarkThemeAsLightTheme = false)
     {
         builder
             .ConfigureLifecycleEvents(lifecycle =>
@@ -30,7 +32,7 @@ public static MauiAppBuilder UseTrimbleModus(this MauiAppBuilder builder)
                 {
                     d.OnApplicationCreate(del =>
                     {
-                        ThemeManager.Initialize();
+                        ThemeManager.Initialize(lightTheme, darkTheme,useDarkThemeAsLightTheme);
                     });
                     d.OnBackPressed(activity => Droid.Implementation.AndroidPopups.SendBackPressed());
                 });
@@ -39,7 +41,7 @@ public static MauiAppBuilder UseTrimbleModus(this MauiAppBuilder builder)
                 {
                     ios.FinishedLaunching((app, resources) =>
                     {
-                        ThemeManager.Initialize();
+                        ThemeManager.Initialize(lightTheme, darkTheme,useDarkThemeAsLightTheme);
                         return true;
                     });
                 });
@@ -48,7 +50,7 @@ public static MauiAppBuilder UseTrimbleModus(this MauiAppBuilder builder)
                 {
                     mac.FinishedLaunching((app, resources) =>
                     {
-                        ThemeManager.Initialize();
+                        ThemeManager.Initialize(lightTheme, darkTheme, useDarkThemeAsLightTheme);
                         return true;
                     });
                 });
@@ -56,13 +58,13 @@ public static MauiAppBuilder UseTrimbleModus(this MauiAppBuilder builder)
                     lifecycle.AddWindows(windows => {
                         windows.OnLaunched((window, args) =>
                         {
-                            ThemeManager.Initialize();
+                            ThemeManager.Initialize(lightTheme, darkTheme);
                         });
                     });
 
 #endif
             })
-            .ConfigureMauiHandlers(handlers => SetHandlers(handlers))
+            .ConfigureMauiHandlers(SetHandlers)
             .ConfigureFonts(fonts =>
             {
                 fonts.AddFont("OpenSans-Bold.ttf", "OpenSansBold");
@@ -88,7 +90,7 @@ public static MauiAppBuilder UseTrimbleModus(this MauiAppBuilder builder, Action
             {
 #if ANDROID
                 lifecycle.AddAndroid(d =>
-                {                    
+                {
                     d.OnBackPressed(activity => Droid.Implementation.AndroidPopups.SendBackPressed(backPressHandler));
                 });
 #endif