diff --git a/exp/examples/basic/main.go b/exp/examples/basic/main.go
index 40c6fc5f4..297cd7c8f 100644
--- a/exp/examples/basic/main.go
+++ b/exp/examples/basic/main.go
@@ -40,8 +40,9 @@ func main() {
 		},
 		StartState: options.WindowStateMaximised,
 		Mac: &options.MacWindow{
-			Backdrop: options.MacBackdropTranslucent,
-			TitleBar: options.TitleBarHiddenInset(),
+			Backdrop:   options.MacBackdropTranslucent,
+			TitleBar:   options.TitleBarHiddenInset(),
+			Appearance: options.NSAppearanceNameDarkAqua,
 		},
 	})
 
diff --git a/exp/pkg/application/window_darwin.go b/exp/pkg/application/window_darwin.go
index 52a6753f9..c40eaf419 100644
--- a/exp/pkg/application/window_darwin.go
+++ b/exp/pkg/application/window_darwin.go
@@ -373,6 +373,21 @@ void windowSetHideToolbarSeparator(void* nsWindow, bool hideSeparator) {
 	});
 }
 
+// Set Window appearance type
+void windowSetAppearanceTypeByName(void* nsWindow, const char *appearanceName) {
+	// Set window appearance type on main thread
+	dispatch_async(dispatch_get_main_queue(), ^{
+		// get main window
+		NSWindow* window = (NSWindow*)nsWindow;
+		// set window appearance type by name
+		// Convert appearance name to NSString
+		NSString* appearanceNameString = [NSString stringWithUTF8String:appearanceName];
+		// Set appearance
+		[window setAppearance:[NSAppearance appearanceNamed:appearanceNameString]];
+
+		free((void*)appearanceName);
+	});
+}
 
 */
 import "C"
@@ -498,6 +513,10 @@ func (w *macosWindow) run() error {
 			C.windowSetHideToolbarSeparator(w.nsWindow, C.bool(titleBarOptions.HideToolbarSeparator))
 		}
 
+		if macOptions.Appearance != "" {
+			C.windowSetAppearanceTypeByName(w.nsWindow, C.CString(string(macOptions.Appearance)))
+		}
+
 		switch w.options.StartState {
 		case options.WindowStateMaximised:
 			w.setMaximised()
diff --git a/exp/pkg/options/application.go b/exp/pkg/options/application.go
index 88a1cb597..a8b17c21f 100644
--- a/exp/pkg/options/application.go
+++ b/exp/pkg/options/application.go
@@ -60,8 +60,9 @@ const (
 
 // MacWindow contains macOS specific options
 type MacWindow struct {
-	Backdrop MacBackdrop
-	TitleBar *TitleBar
+	Backdrop   MacBackdrop
+	TitleBar   *TitleBar
+	Appearance MacAppearanceType
 }
 
 // TitleBar contains options for the Mac titlebar
@@ -116,3 +117,25 @@ func TitleBarHiddenInset() *TitleBar {
 	}
 
 }
+
+// MacAppearanceType is a type of Appearance for Cocoa windows
+type MacAppearanceType string
+
+const (
+	// DefaultAppearance uses the default system value
+	DefaultAppearance MacAppearanceType = ""
+	// NSAppearanceNameAqua - The standard light system appearance.
+	NSAppearanceNameAqua MacAppearanceType = "NSAppearanceNameAqua"
+	// NSAppearanceNameDarkAqua - The standard dark system appearance.
+	NSAppearanceNameDarkAqua MacAppearanceType = "NSAppearanceNameDarkAqua"
+	// NSAppearanceNameVibrantLight - The light vibrant appearance
+	NSAppearanceNameVibrantLight MacAppearanceType = "NSAppearanceNameVibrantLight"
+	// NSAppearanceNameAccessibilityHighContrastAqua - A high-contrast version of the standard light system appearance.
+	NSAppearanceNameAccessibilityHighContrastAqua MacAppearanceType = "NSAppearanceNameAccessibilityHighContrastAqua"
+	// NSAppearanceNameAccessibilityHighContrastDarkAqua - A high-contrast version of the standard dark system appearance.
+	NSAppearanceNameAccessibilityHighContrastDarkAqua MacAppearanceType = "NSAppearanceNameAccessibilityHighContrastDarkAqua"
+	// NSAppearanceNameAccessibilityHighContrastVibrantLight - A high-contrast version of the light vibrant appearance.
+	NSAppearanceNameAccessibilityHighContrastVibrantLight MacAppearanceType = "NSAppearanceNameAccessibilityHighContrastVibrantLight"
+	// NSAppearanceNameAccessibilityHighContrastVibrantDark - A high-contrast version of the dark vibrant appearance.
+	NSAppearanceNameAccessibilityHighContrastVibrantDark MacAppearanceType = "NSAppearanceNameAccessibilityHighContrastVibrantDark"
+)