diff --git a/include/wx/private/hyperlink.h b/include/wx/private/hyperlink.h
new file mode 100644
index 0000000000..5060f68a37
--- /dev/null
+++ b/include/wx/private/hyperlink.h
@@ -0,0 +1,31 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/private/link.h
+// Purpose:     Private functions related to hyperlinks.
+// Author:      Vadim Zeitlin
+// Created:     2023-06-01
+// Copyright:   (c) 2023 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_HYPERLINK_H_
+#define _WX_PRIVATE_HYPERLINK_H_
+
+#include "wx/settings.h"
+
+namespace wxPrivate
+{
+
+inline wxColour GetLinkColour()
+{
+    // There is a standard link colour appropriate for the default "light" mode,
+    // see https://html.spec.whatwg.org/multipage/rendering.html#phrasing-content-3
+    // it doesn't stand out enough in dark mode, so choose "light sky blue"
+    // colour for the links in dark mode instead (this is a rather arbitrary
+    // choice, but there doesn't seem to be any standard one).
+    return wxSystemSettings::SelectLightDark(wxColour(0x00, 0x00, 0xee),
+                                             wxColour(0x87, 0xce, 0xfa));
+}
+
+} // namespace wxPrivate
+
+#endif // _WX_PRIVATE_HYPERLINK_H_
diff --git a/src/generic/hyperlinkg.cpp b/src/generic/hyperlinkg.cpp
index f583b108e7..61826097e4 100644
--- a/src/generic/hyperlinkg.cpp
+++ b/src/generic/hyperlinkg.cpp
@@ -40,6 +40,8 @@
 #include "wx/clipbrd.h"
 #include "wx/renderer.h"
 
+#include "wx/private/hyperlink.h"
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -101,22 +103,6 @@ bool wxGenericHyperlinkCtrl::Create(wxWindow *parent, wxWindowID id,
     return true;
 }
 
-namespace
-{
-
-wxColour GetLinkColour()
-{
-    // There is a standard link colour appropriate for the default "light" mode,
-    // see https://html.spec.whatwg.org/multipage/rendering.html#phrasing-content-3
-    // it doesn't stand out enough in dark mode, so choose "light sky blue"
-    // colour for the links in dark mode instead (this is a rather arbitrary
-    // choice, but there doesn't seem to be any standard one).
-    return wxSystemSettings::SelectLightDark(wxColour(0x00, 0x00, 0xee),
-                                             wxColour(0x87, 0xce, 0xfa));
-}
-
-} // anonymous namespace
-
 void wxGenericHyperlinkCtrl::Init()
 {
     m_rollover = false;
@@ -124,7 +110,7 @@ void wxGenericHyperlinkCtrl::Init()
     m_visited = false;
 
     // colours
-    m_normalColour = GetLinkColour();
+    m_normalColour = wxPrivate::GetLinkColour();
     m_hoverColour = *wxRED;
     m_visitedColour = wxColour("#551a8b");
 }
@@ -153,7 +139,7 @@ wxVisualAttributes
 wxGenericHyperlinkCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
 {
     auto attrs = wxHyperlinkCtrlBase::GetClassDefaultAttributes(variant);
-    attrs.colFg = GetLinkColour();
+    attrs.colFg = wxPrivate::GetLinkColour();
     return attrs;
 }