diff --git a/Filtration.Interface/IDocument.cs b/Filtration.Interface/IDocument.cs
new file mode 100644
index 0000000..381a51e
--- /dev/null
+++ b/Filtration.Interface/IDocument.cs
@@ -0,0 +1,7 @@
+namespace Filtration.Interface
+{
+    public interface IDocument
+    {
+        bool IsScript { get; }
+    }
+}
diff --git a/Filtration.Interface/Properties/AssemblyInfo.cs b/Filtration.Interface/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..dbc479e
--- /dev/null
+++ b/Filtration.Interface/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Filtration.Interface")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Microsoft")]
+[assembly: AssemblyProduct("Filtration.Interface")]
+[assembly: AssemblyCopyright("Copyright © Microsoft 2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("f21659a3-839a-41ca-97b9-78cc6f6af353")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Filtration.Tests/Filtration.Tests.csproj b/Filtration.Tests/Filtration.Tests.csproj
index 98e6d3a..5c0cdd0 100644
--- a/Filtration.Tests/Filtration.Tests.csproj
+++ b/Filtration.Tests/Filtration.Tests.csproj
@@ -64,6 +64,10 @@
     <Folder Include="ViewModels\" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\Filtration.Interface\Filtration.Interface.csproj">
+      <Project>{0f333344-7695-47b2-b0e6-172e4de74819}</Project>
+      <Name>Filtration.Interface</Name>
+    </ProjectReference>
     <ProjectReference Include="..\Filtration.ObjectModel\Filtration.ObjectModel.csproj">
       <Project>{4aac3beb-1dc1-483e-9d11-0e9334e80227}</Project>
       <Name>Filtration.ObjectModel</Name>
diff --git a/Filtration.ThemeEditor/Filtration.ThemeEditor.csproj b/Filtration.ThemeEditor/Filtration.ThemeEditor.csproj
index 4f94100..a50aa7e 100644
--- a/Filtration.ThemeEditor/Filtration.ThemeEditor.csproj
+++ b/Filtration.ThemeEditor/Filtration.ThemeEditor.csproj
@@ -30,24 +30,54 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Castle.Core">
+      <HintPath>..\packages\Castle.Core.3.3.0\lib\net45\Castle.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Castle.Windsor">
+      <HintPath>..\packages\Castle.Windsor.3.3.0\lib\net45\Castle.Windsor.dll</HintPath>
+    </Reference>
     <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
+    <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ViewModels\ThemeEditorViewModel.cs" />
+    <Compile Include="Views\ThemeEditorView.xaml.cs">
+      <DependentUpon>ThemeEditorView.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="WindsorInstallers\ViewModelsInstaller.cs" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\Filtration.Interface\Filtration.Interface.csproj">
+      <Project>{0f333344-7695-47b2-b0e6-172e4de74819}</Project>
+      <Name>Filtration.Interface</Name>
+    </ProjectReference>
     <ProjectReference Include="..\Filtration.ObjectModel\Filtration.ObjectModel.csproj">
       <Project>{4aac3beb-1dc1-483e-9d11-0e9334e80227}</Project>
       <Name>Filtration.ObjectModel</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup />
+  <ItemGroup>
+    <Page Include="Views\ThemeEditorView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Filtration.ThemeEditor/ViewModels/ThemeEditorViewModel.cs b/Filtration.ThemeEditor/ViewModels/ThemeEditorViewModel.cs
new file mode 100644
index 0000000..d5cffe0
--- /dev/null
+++ b/Filtration.ThemeEditor/ViewModels/ThemeEditorViewModel.cs
@@ -0,0 +1,14 @@
+using Filtration.Interface;
+
+namespace Filtration.ThemeEditor.ViewModels
+{
+    public interface IThemeEditorViewModel : IDocument
+    {
+    }
+
+    public class ThemeEditorViewModel : IThemeEditorViewModel
+    {
+        public bool IsScript { get { return false; }}
+        public string Title { get { return "Theme Editor"; } }
+    }
+}
diff --git a/Filtration.ThemeEditor/Views/ThemeEditorView.xaml b/Filtration.ThemeEditor/Views/ThemeEditorView.xaml
new file mode 100644
index 0000000..9df65e2
--- /dev/null
+++ b/Filtration.ThemeEditor/Views/ThemeEditorView.xaml
@@ -0,0 +1,13 @@
+<UserControl x:Class="Filtration.ThemeEditor.Views.ThemeEditorView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:viewModels="clr-namespace:Filtration.ThemeEditor.ViewModels"
+             mc:Ignorable="d" 
+             d:DataContext="{d:DesignInstance Type=viewModels:ThemeEditorViewModel}"
+             d:DesignHeight="300" d:DesignWidth="300">
+    <Grid>
+        <TextBlock>theme editor goes here!</TextBlock>
+    </Grid>
+</UserControl>
diff --git a/Filtration.ThemeEditor/Views/ThemeEditorView.xaml.cs b/Filtration.ThemeEditor/Views/ThemeEditorView.xaml.cs
new file mode 100644
index 0000000..f865620
--- /dev/null
+++ b/Filtration.ThemeEditor/Views/ThemeEditorView.xaml.cs
@@ -0,0 +1,10 @@
+namespace Filtration.ThemeEditor.Views
+{
+    public partial class ThemeEditorView
+    {
+        public ThemeEditorView()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/Filtration.ThemeEditor/WindsorInstallers/ViewModelsInstaller.cs b/Filtration.ThemeEditor/WindsorInstallers/ViewModelsInstaller.cs
new file mode 100644
index 0000000..c63b382
--- /dev/null
+++ b/Filtration.ThemeEditor/WindsorInstallers/ViewModelsInstaller.cs
@@ -0,0 +1,18 @@
+using Castle.MicroKernel.Registration;
+using Castle.MicroKernel.SubSystems.Configuration;
+using Castle.Windsor;
+using Filtration.ThemeEditor.ViewModels;
+
+namespace Filtration.ThemeEditor.WindsorInstallers
+{
+    public class ViewModelsInstaller : IWindsorInstaller
+    {
+        public void Install(IWindsorContainer container, IConfigurationStore store)
+        {
+            container.Register(
+                Component.For<IThemeEditorViewModel>()
+                    .ImplementedBy<ThemeEditorViewModel>()
+                    .LifeStyle.Singleton);
+        }
+    }
+}
diff --git a/Filtration.ThemeEditor/packages.config b/Filtration.ThemeEditor/packages.config
new file mode 100644
index 0000000..b93e4a4
--- /dev/null
+++ b/Filtration.ThemeEditor/packages.config
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Castle.Core" version="3.3.0" targetFramework="net451" />
+  <package id="Castle.Windsor" version="3.3.0" targetFramework="net451" />
+</packages>
\ No newline at end of file
diff --git a/Filtration.sln b/Filtration.sln
index 7f0dec1..c0a7bdd 100644
--- a/Filtration.sln
+++ b/Filtration.sln
@@ -15,6 +15,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Filtration.ThemeEditor", "F
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Filtration.ThemeEditor.Tests", "Filtration.ThemeEditor.Tests\Filtration.ThemeEditor.Tests.csproj", "{450AC313-BF25-4BFD-A066-9F39F026FDCF}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Filtration.Interface", "Filtration.Interface\Filtration.Interface.csproj", "{0F333344-7695-47B2-B0E6-172E4DE74819}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{450AC313-BF25-4BFD-A066-9F39F026FDCF}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{450AC313-BF25-4BFD-A066-9F39F026FDCF}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{450AC313-BF25-4BFD-A066-9F39F026FDCF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0F333344-7695-47B2-B0E6-172E4DE74819}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0F333344-7695-47B2-B0E6-172E4DE74819}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0F333344-7695-47B2-B0E6-172E4DE74819}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0F333344-7695-47B2-B0E6-172E4DE74819}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Filtration/App.xaml.cs b/Filtration/App.xaml.cs
index 8bdcdb2..6464f10 100644
--- a/Filtration/App.xaml.cs
+++ b/Filtration/App.xaml.cs
@@ -23,7 +23,7 @@ namespace Filtration
 
             _container.Kernel.ComponentModelBuilder.RemoveContributor(propInjector);
 
-            _container.Install(FromAssembly.This());
+            _container.Install(FromAssembly.InThisApplication());
 
             var mainWindow = _container.Resolve<IMainWindow>();
             mainWindow.Show();
diff --git a/Filtration/Converters/ActiveDocumentConverter.cs b/Filtration/Converters/ActiveDocumentConverter.cs
index 96c4019..57e8ac8 100644
--- a/Filtration/Converters/ActiveDocumentConverter.cs
+++ b/Filtration/Converters/ActiveDocumentConverter.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Globalization;
 using System.Windows.Data;
-using Filtration.ViewModels;
+using Filtration.Interface;
 
 namespace Filtration.Converters
 {
diff --git a/Filtration/Filtration.csproj b/Filtration/Filtration.csproj
index 869a946..c2a6989 100644
--- a/Filtration/Filtration.csproj
+++ b/Filtration/Filtration.csproj
@@ -156,7 +156,6 @@
     <Compile Include="ViewModels\SettingsWindowViewModel.cs" />
     <Compile Include="ViewModels\ToolPanes\BlockGroupBrowserViewModel.cs" />
     <Compile Include="ViewModels\FiltrationViewModelBase.cs" />
-    <Compile Include="ViewModels\IDocument.cs" />
     <Compile Include="ViewModels\IItemFilterScriptViewModelFactory.cs" />
     <Compile Include="ViewModels\IItemFilterBlockViewModelFactory.cs" />
     <Compile Include="ViewModels\ItemFilterBlockGroupViewModel.cs" />
@@ -421,10 +420,18 @@
     </Content>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\Filtration.Interface\Filtration.Interface.csproj">
+      <Project>{0f333344-7695-47b2-b0e6-172e4de74819}</Project>
+      <Name>Filtration.Interface</Name>
+    </ProjectReference>
     <ProjectReference Include="..\Filtration.ObjectModel\Filtration.ObjectModel.csproj">
       <Project>{4aac3beb-1dc1-483e-9d11-0e9334e80227}</Project>
       <Name>Filtration.ObjectModel</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Filtration.ThemeEditor\Filtration.ThemeEditor.csproj">
+      <Project>{41b8f5c2-65aa-42f0-a20b-6f95b13a9f48}</Project>
+      <Name>Filtration.ThemeEditor</Name>
+    </ProjectReference>
   </ItemGroup>
   <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs b/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs
index 415bf78..d55366c 100644
--- a/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs
+++ b/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using Filtration.Interface;
 using Filtration.ViewModels.ToolPanes;
 using GalaSoft.MvvmLight.Messaging;
 
@@ -10,6 +11,7 @@ namespace Filtration.ViewModels
     {
         event EventHandler ActiveDocumentChanged;
         IDocument ActiveDocument { get; set; }
+        ReadOnlyObservableCollection<IDocument> OpenDocuments { get; }
         IItemFilterScriptViewModel ActiveScriptViewModel { get; }
         ISectionBrowserViewModel SectionBrowserViewModel { get; }
         IBlockGroupBrowserViewModel BlockGroupBrowserViewModel { get; }
@@ -28,6 +30,7 @@ namespace Filtration.ViewModels
         private IDocument _activeDocument;
         private IItemFilterScriptViewModel _activeScriptViewModel;
         private readonly ObservableCollection<IDocument> _openDocuments;
+        private readonly ReadOnlyObservableCollection<IDocument> _readOnlyOpenDocuments;
 
         public AvalonDockWorkspaceViewModel(ISectionBrowserViewModel sectionBrowserViewModel,
                                             IBlockGroupBrowserViewModel blockGroupBrowserViewModel,
@@ -43,14 +46,15 @@ namespace Filtration.ViewModels
             _blockOutputPreviewViewModel.Initialise(this);
 
             _openDocuments = new ObservableCollection<IDocument> {startPageViewModel};
+            _readOnlyOpenDocuments = new ReadOnlyObservableCollection<IDocument>(_openDocuments);
             ActiveDocument = startPageViewModel;
         }
 
         public event EventHandler ActiveDocumentChanged;
 
-        public ObservableCollection<IDocument> OpenDocuments
+        public ReadOnlyObservableCollection<IDocument> OpenDocuments
         {
-            get { return _openDocuments; }
+            get { return _readOnlyOpenDocuments; }
         }
 
         public IDocument ActiveDocument
@@ -121,7 +125,7 @@ namespace Filtration.ViewModels
                 _activeScriptViewModel = (IItemFilterScriptViewModel) document;
             }
 
-            OpenDocuments.Add(document);
+            _openDocuments.Add(document);
             ActiveDocument = document;
         }
 
@@ -139,7 +143,7 @@ namespace Filtration.ViewModels
                 _blockOutputPreviewViewModel.ClearDown();
             }
 
-            OpenDocuments.Remove(document);
+            _openDocuments.Remove(document);
         }
 
         public void SwitchActiveDocument(IDocument document)
diff --git a/Filtration/ViewModels/IDocument.cs b/Filtration/ViewModels/IDocument.cs
deleted file mode 100644
index 7294e58..0000000
--- a/Filtration/ViewModels/IDocument.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace Filtration.ViewModels
-{
-    interface IDocument
-    {
-        bool IsScript { get; }
-    }
-}
diff --git a/Filtration/ViewModels/ItemFilterScriptViewModel.cs b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
index bc4fcc9..912d924 100644
--- a/Filtration/ViewModels/ItemFilterScriptViewModel.cs
+++ b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
@@ -8,6 +8,7 @@ using System.Windows;
 using System.Windows.Data;
 using System.Windows.Forms;
 using Castle.Core.Internal;
+using Filtration.Interface;
 using Filtration.ObjectModel;
 using Filtration.Services;
 using Filtration.Translators;
diff --git a/Filtration/ViewModels/MainWindowViewModel.cs b/Filtration/ViewModels/MainWindowViewModel.cs
index 82fb650..c216a10 100644
--- a/Filtration/ViewModels/MainWindowViewModel.cs
+++ b/Filtration/ViewModels/MainWindowViewModel.cs
@@ -2,7 +2,9 @@
 using System.IO;
 using System.Reflection;
 using System.Windows.Forms;
+using Filtration.Interface;
 using Filtration.Repositories;
+using Filtration.ThemeEditor.ViewModels;
 using Filtration.Translators;
 using Filtration.Views;
 using GalaSoft.MvvmLight.CommandWpf;
@@ -25,6 +27,7 @@ namespace Filtration.ViewModels
         private readonly IReplaceColorsViewModel _replaceColorsViewModel;
         private readonly IAvalonDockWorkspaceViewModel _avalonDockWorkspaceViewModel;
         private readonly ISettingsWindowViewModel _settingsWindowViewModel;
+        private readonly IThemeEditorViewModel _themeEditorViewModel;
 
         private IDocument _activeDocument;
 
@@ -32,16 +35,19 @@ namespace Filtration.ViewModels
                                    IItemFilterScriptTranslator itemFilterScriptTranslator,
                                    IReplaceColorsViewModel replaceColorsViewModel,
                                    IAvalonDockWorkspaceViewModel avalonDockWorkspaceViewModel,
-                                   ISettingsWindowViewModel settingsWindowViewModel)
+                                   ISettingsWindowViewModel settingsWindowViewModel,
+                                   IThemeEditorViewModel themeEditorViewModel)
         {
             _itemFilterScriptRepository = itemFilterScriptRepository;
             _itemFilterScriptTranslator = itemFilterScriptTranslator;
             _replaceColorsViewModel = replaceColorsViewModel;
             _avalonDockWorkspaceViewModel = avalonDockWorkspaceViewModel;
             _settingsWindowViewModel = settingsWindowViewModel;
+            _themeEditorViewModel = themeEditorViewModel;
 
             OpenAboutWindowCommand = new RelayCommand(OnOpenAboutWindowCommand);
             OpenSettingsWindowCommand = new RelayCommand(OnOpenSettingsWindowCommand);
+            OpenThemeEditorCommand = new RelayCommand(OnOpenThemeEditorCommand);
             OpenScriptCommand = new RelayCommand(OnOpenScriptCommand);
             SaveScriptCommand = new RelayCommand(OnSaveScriptCommand, ActiveDocumentIsScript);
             SaveScriptAsCommand = new RelayCommand(OnSaveScriptAsCommand, ActiveDocumentIsScript);
@@ -100,6 +106,7 @@ namespace Filtration.ViewModels
         public RelayCommand CloseScriptCommand { get; private set; }
         public RelayCommand OpenAboutWindowCommand { get; private set; }
         public RelayCommand OpenSettingsWindowCommand { get; private set; }
+        public RelayCommand OpenThemeEditorCommand { get; private set; }
         public RelayCommand ReplaceColorsCommand { get; private set; }
 
         public IAvalonDockWorkspaceViewModel AvalonDockWorkspaceViewModel
@@ -122,6 +129,18 @@ namespace Filtration.ViewModels
             return _activeDocument != null && _activeDocument.IsScript;
         }
 
+        private void OnOpenThemeEditorCommand()
+        {
+            if (AvalonDockWorkspaceViewModel.OpenDocuments.Contains(_themeEditorViewModel))
+            {
+                AvalonDockWorkspaceViewModel.SwitchActiveDocument(_themeEditorViewModel);
+            }
+            else
+            {
+                AvalonDockWorkspaceViewModel.AddDocument(_themeEditorViewModel);
+            }
+        }
+
         private void OnOpenAboutWindowCommand()
         {
             var aboutWindow = new AboutWindow();
diff --git a/Filtration/ViewModels/StartPageViewModel.cs b/Filtration/ViewModels/StartPageViewModel.cs
index a668696..758e07e 100644
--- a/Filtration/ViewModels/StartPageViewModel.cs
+++ b/Filtration/ViewModels/StartPageViewModel.cs
@@ -1,4 +1,5 @@
-using Filtration.ViewModels.ToolPanes;
+using Filtration.Interface;
+using Filtration.ViewModels.ToolPanes;
 using GalaSoft.MvvmLight.CommandWpf;
 using GalaSoft.MvvmLight.Messaging;
 
diff --git a/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml b/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml
index 1515111..9f25b74 100644
--- a/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml
+++ b/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml
@@ -9,6 +9,7 @@
              xmlns:toolPanes="clr-namespace:Filtration.Views.ToolPanes"
              xmlns:converters="clr-namespace:Filtration.Converters"
              xmlns:xcad="http://schemas.xceed.com/wpf/xaml/avalondock"
+             xmlns:themeEditorViews="clr-namespace:Filtration.ThemeEditor.Views;assembly=Filtration.ThemeEditor"
              mc:Ignorable="d" 
              d:DataContext="{d:DesignInstance d:Type=viewModels:AvalonDockWorkspaceViewModel}"
              d:DesignHeight="300" d:DesignWidth="300">
@@ -53,6 +54,11 @@
                             <views:StartPageView DataContext="{Binding}" />
                         </DataTemplate>
                     </viewsAvalonDock:PanesTemplateSelector.StartPageTemplate>
+                    <viewsAvalonDock:PanesTemplateSelector.ThemeEditorTemplate>
+                        <DataTemplate>
+                            <themeEditorViews:ThemeEditorView DataContext="{Binding}" />
+                        </DataTemplate>
+                    </viewsAvalonDock:PanesTemplateSelector.ThemeEditorTemplate>
                 </viewsAvalonDock:PanesTemplateSelector>
             </xcad:DockingManager.LayoutItemTemplateSelector>
 
diff --git a/Filtration/Views/AvalonDock/PanesStyleSelector.cs b/Filtration/Views/AvalonDock/PanesStyleSelector.cs
index 31f3dce..35dc2ea 100644
--- a/Filtration/Views/AvalonDock/PanesStyleSelector.cs
+++ b/Filtration/Views/AvalonDock/PanesStyleSelector.cs
@@ -1,6 +1,6 @@
 using System.Windows;
 using System.Windows.Controls;
-using Filtration.ViewModels;
+using Filtration.Interface;
 using Filtration.ViewModels.ToolPanes;
 
 namespace Filtration.Views.AvalonDock
diff --git a/Filtration/Views/AvalonDock/PanesTemplateSelector.cs b/Filtration/Views/AvalonDock/PanesTemplateSelector.cs
index 50571fb..2507f6c 100644
--- a/Filtration/Views/AvalonDock/PanesTemplateSelector.cs
+++ b/Filtration/Views/AvalonDock/PanesTemplateSelector.cs
@@ -1,5 +1,6 @@
 using System.Windows;
 using System.Windows.Controls;
+using Filtration.ThemeEditor.ViewModels;
 using Filtration.ViewModels;
 using Filtration.ViewModels.ToolPanes;
 using Xceed.Wpf.AvalonDock.Layout;
@@ -13,6 +14,7 @@ namespace Filtration.Views.AvalonDock
         public DataTemplate SectionBrowserTemplate { get; set; }
         public DataTemplate BlockOutputPreviewTemplate { get; set; }
         public DataTemplate StartPageTemplate { get; set; }
+        public DataTemplate ThemeEditorTemplate { get; set; }
 
         public override DataTemplate SelectTemplate(object item, DependencyObject container)
         {
@@ -23,6 +25,11 @@ namespace Filtration.Views.AvalonDock
                 return ItemFilterScriptTemplate;
             }
 
+            if (item is ThemeEditorViewModel)
+            {
+                return ThemeEditorTemplate;
+            }
+
             if (item is SectionBrowserViewModel)
             {
                 return SectionBrowserTemplate;
diff --git a/Filtration/Views/MainWindow.xaml b/Filtration/Views/MainWindow.xaml
index 8c883ab..da0c781 100644
--- a/Filtration/Views/MainWindow.xaml
+++ b/Filtration/Views/MainWindow.xaml
@@ -33,6 +33,7 @@
             </MenuItem>
             <MenuItem Header="_Tools">
                 <MenuItem Header="_Replace Colors" Command="{Binding ReplaceColorsCommand}" Icon="{StaticResource ReplaceColorsIcon}" />
+                <MenuItem Header="_Theme Editor" Command="{Binding OpenThemeEditorCommand}" Icon="{StaticResource ReplaceColorsIcon}" />
                 <MenuItem Header="_Settings" Command="{Binding OpenSettingsWindowCommand}" />
             </MenuItem>
             <MenuItem Header="_Help">