diff --git a/Views/MainWindow.xaml.fs b/Views/MainWindow.xaml.fs
index 942e638..24f2c1d 100644
--- a/Views/MainWindow.xaml.fs
+++ b/Views/MainWindow.xaml.fs
@@ -37,9 +37,10 @@ type MainWindow() as this =
         m_bgopacity <- States.background_opacity
         let comp =
           match m_bgcomp with
-          | States.Acrylic -> ui.AdvancedBlur(m_bgopacity, m_bgcolor)
-          | States.Blur -> ui.GaussianBlur(m_bgopacity, m_bgcolor)
-          | _ -> ui.SolidBackground m_bgcolor
+          | States.Acrylic     -> ui.AdvancedBlur(m_bgopacity, m_bgcolor)
+          | States.Blur        -> ui.GaussianBlur(m_bgopacity, m_bgcolor)
+          | States.Transparent -> ui.TransparentBackground(m_bgopacity, m_bgcolor)
+          | _                  -> ui.SolidBackground m_bgcolor
         trace "mainwindow" "configBackground: %A" comp
         ui.SetWindowBackgroundComposition this comp
         
diff --git a/states.fs b/states.fs
index 80839bd..0b5e29b 100644
--- a/states.fs
+++ b/states.fs
@@ -92,6 +92,7 @@ let mutable ui_hlstate         = false
 
 type BackgroundComposition =
   | NoComposition
+  | Transparent
   | Blur
   | Acrylic
 
@@ -190,6 +191,7 @@ let parseBackgroundComposition (v: obj) =
         | "none" -> Some NoComposition
         | "blur" -> Some Blur
         | "acrylic" -> Some Acrylic
+        | "transparent" -> Some Transparent
         | _ -> None
     | _ -> None
 
@@ -198,6 +200,7 @@ let backgroundCompositionToString =
     | NoComposition -> "none"
     | Blur -> "blur"
     | Acrylic -> "acrylic"
+    | Transparent -> "transparent" 
 
 let Shutdown code = _appLifetime.Shutdown code
 
diff --git a/ui.fs b/ui.fs
index 8033167..584a063 100644
--- a/ui.fs
+++ b/ui.fs
@@ -437,6 +437,7 @@ open linux
 
 type WindowBackgroundComposition =
     | SolidBackground of color: Color
+    | TransparentBackground of opacity: float * color: Color
     | GaussianBlur of opacity: float * color: Color
     | AdvancedBlur of opacity: float * color: Color
 
@@ -448,6 +449,10 @@ let SetWindowBackgroundComposition (win: Avalonia.Controls.Window) (composition:
             | SolidBackground c -> 
                 win.Background <- SolidColorBrush(c)
                 AccentState.ACCENT_DISABLED, 0u, 0u
+            | TransparentBackground (op, c) -> 
+                let c = Color(byte(op * 255.0), c.R, c.G, c.B)
+                win.Background <- SolidColorBrush(c)
+                AccentState.ACCENT_ENABLE_TRANSPARENTGRADIENT, 0u, 0u
             | GaussianBlur(op, c) ->
                 let c = Color(byte(op * 255.0), c.R, c.G, c.B)
                 win.Background <- SolidColorBrush(c)
@@ -477,6 +482,7 @@ let SetWindowBackgroundComposition (win: Avalonia.Controls.Window) (composition:
         match composition with
         | SolidBackground c ->
             win.Background <- SolidColorBrush(c)
+        | TransparentBackground(op, c) // TODO verify
         | GaussianBlur(op, c)
         | AdvancedBlur(op, c) ->
             let c = Color(byte(op * 255.0), c.R, c.G, c.B)
@@ -537,8 +543,8 @@ let SetWindowBackgroundComposition (win: Avalonia.Controls.Window) (composition:
         match composition with
         | SolidBackground c ->
             win.Background <- SolidColorBrush(c)
+        | TransparentBackground(op, c) // TODO verify
         | GaussianBlur(op, c)
         | AdvancedBlur(op, c) ->
             let c = Color(byte(op * 255.0), c.R, c.G, c.B)
             win.Background <- SolidColorBrush(c)
-            (*ignore <| vh_add_view(win.PlatformImpl.Handle.Handle)*)