diff --git a/include/wx/settings.h b/include/wx/settings.h
index 3967b98b46..8d7f3d2870 100644
--- a/include/wx/settings.h
+++ b/include/wx/settings.h
@@ -13,6 +13,8 @@
 #include "wx/colour.h"
 #include "wx/font.h"
 
+#include <memory>
+
 class WXDLLIMPEXP_FWD_CORE wxWindow;
 
 // possible values for wxSystemSettings::GetFont() parameter
@@ -241,9 +243,28 @@ public:
 // include the declaration of the real platform-dependent class
 // ----------------------------------------------------------------------------
 
+struct wxColorHook
+{
+    virtual ~wxColorHook() {}
+    virtual wxColor getColor(wxSystemColour index) const = 0;
+};
+WXDLLIMPEXP_CORE inline std::unique_ptr<wxColorHook>& refGlobalColorHook()
+{
+    static std::unique_ptr<wxColorHook> globalColorHook;
+    return globalColorHook;
+}
+
 class WXDLLIMPEXP_CORE wxSystemSettings : public wxSystemSettingsNative
 {
 public:
+    static wxColour GetColour(wxSystemColour index)
+    {
+        if (refGlobalColorHook())
+			return refGlobalColorHook()->getColor(index);
+
+        return wxSystemSettingsNative::GetColour(index);
+    }
+
 #ifdef __WXUNIVERSAL__
     // in wxUniversal we want to use the theme standard colours instead of the
     // system ones, otherwise wxSystemSettings is just the same as
@@ -264,7 +285,6 @@ public:
 
     // Value
     static wxSystemScreenType ms_screen;
-
 };
 
 #endif