diff --git a/src/shell/panelconfigview.cpp b/src/shell/panelconfigview.cpp
index 45026180f..54551c683 100644
--- a/src/shell/panelconfigview.cpp
+++ b/src/shell/panelconfigview.cpp
@@ -48,11 +48,8 @@ PanelConfigView::PanelConfigView(Plasma::Containment *containment, PanelView *pa
     setFlags(Qt::FramelessWindowHint);
 
     KWindowEffects::enableBlurBehind(winId(), true);
-    if (qGray(m_theme.color(Plasma::Theme::BackgroundColor).rgb()) > 127) {
-        KWindowEffects::enableBackgroundContrast(winId(), true, 0.30, 1.9, 1.7);
-    } else {
-        KWindowEffects::enableBackgroundContrast(winId(), true, 0.45, 0.45, 1.7);
-    }
+    updateContrast();
+    connect(&m_theme, &Plasma::Theme::themeChanged, this, &PanelConfigView::updateContrast);
 
     engine()->rootContext()->setContextProperty("panel", panelView);
     engine()->rootContext()->setContextProperty("configDialog", this);
@@ -70,6 +67,14 @@ void PanelConfigView::init()
     syncGeometry();
 }
 
+void PanelConfigView::updateContrast()
+{
+    KWindowEffects::enableBackgroundContrast(winId(), m_theme.backgroundContrastEnabled(),
+                                                      m_theme.backgroundContrast(),
+                                                      m_theme.backgroundIntensity(),
+                                                      m_theme.backgroundSaturation());
+}
+
 void PanelConfigView::showAddWidgetDialog()
 {
     QAction *addWidgetAction = m_containment->actions()->action("add widgets");
diff --git a/src/shell/panelconfigview.h b/src/shell/panelconfigview.h
index 78023755c..44fd1bfba 100644
--- a/src/shell/panelconfigview.h
+++ b/src/shell/panelconfigview.h
@@ -56,6 +56,9 @@ protected:
 protected Q_SLOTS:
     void syncGeometry();
 
+private Q_SLOTS:
+    void updateContrast();
+
 private:
     Plasma::Containment *m_containment;
     PanelView *m_panelView;