diff --git a/src/modules/colorPicker/ColorPickerUI/Helpers/AppStateHandler.cs b/src/modules/colorPicker/ColorPickerUI/Helpers/AppStateHandler.cs
index db04f4c18d..ee338b0e4b 100644
--- a/src/modules/colorPicker/ColorPickerUI/Helpers/AppStateHandler.cs
+++ b/src/modules/colorPicker/ColorPickerUI/Helpers/AppStateHandler.cs
@@ -135,6 +135,14 @@ namespace ColorPicker.Helpers
                 Application.Current.MainWindow.Opacity = 0;
                 Application.Current.MainWindow.Visibility = Visibility.Visible;
                 _colorPickerShown = true;
+
+                // HACK: WPF UI theme watcher removes the composition target background color, among other weird stuff.
+                // https://github.com/lepoco/wpfui/blob/303f0aefcd59a142bc681415dc4360a34a15f33d/src/Wpf.Ui/Controls/Window/WindowBackdrop.cs#L280
+                // So we set it back with https://github.com/lepoco/wpfui/blob/303f0aefcd59a142bc681415dc4360a34a15f33d/src/Wpf.Ui/Controls/Window/WindowBackdrop.cs#L191
+                // And also reapply the intended backdrop.
+                // This hack fixes: https://github.com/microsoft/PowerToys/issues/31725
+                Wpf.Ui.Controls.WindowBackdrop.RemoveBackground(Application.Current.MainWindow);
+                Wpf.Ui.Controls.WindowBackdrop.ApplyBackdrop(Application.Current.MainWindow, Wpf.Ui.Controls.WindowBackdropType.None);
             }
         }