Index: scribus/canvas.cpp
===================================================================
--- scribus/canvas.cpp	(revision 27829)
+++ scribus/canvas.cpp	(working copy)
@@ -964,7 +964,7 @@
 	img.setDevicePixelRatio(devicePixelRatioF());
 
 	auto painter = std::make_unique<ScPainter>(&img, img.width(), img.height(), 1.0, 0);
-	painter->clear(PrefsManager::instance().appPrefs.displayPrefs.scratchColor);
+	painter->clear(PrefsManager::instance().scratchColor());
 	painter->newPath();
 	painter->moveTo(0, 0);
 	painter->lineTo(clipw, 0);
Index: scribus/prefsmanager.cpp
===================================================================
--- scribus/prefsmanager.cpp	(revision 27829)
+++ scribus/prefsmanager.cpp	(working copy)
@@ -270,6 +270,7 @@
 	appPrefs.opToolPrefs.constrain = 15.0;
 	appPrefs.displayPrefs.paperColor = QColor(Qt::white);
 	appPrefs.displayPrefs.scratchColor = QApplication::palette().color(QPalette::Active, QPalette::Window);
+	appPrefs.displayPrefs.scratchColorFollowsTheme = true;
 	appPrefs.displayPrefs.showPageShadow = true;
 	appPrefs.displayPrefs.showVerifierWarningsOnCanvas = true;
 	appPrefs.displayPrefs.showAutosaveClockOnCanvas = false;
@@ -1325,6 +1326,13 @@
 	return appPrefs.displayPrefs.displayScale;
 }
 
+QColor PrefsManager::scratchColor() const
+{
+	if (appPrefs.displayPrefs.scratchColorFollowsTheme)
+		return QApplication::palette().color(QPalette::Active, QPalette::Window);
+	return appPrefs.displayPrefs.scratchColor;
+}
+
 const QString& PrefsManager::uiLanguage() const
 {
 	return appPrefs.uiPrefs.language;
@@ -1486,6 +1494,7 @@
 	deDisplay.setAttribute("ShowPageShadow", static_cast<int>(appPrefs.displayPrefs.showPageShadow));
 	deDisplay.setAttribute("PageColor", appPrefs.displayPrefs.paperColor.name());
 	deDisplay.setAttribute("ScratchColor", appPrefs.displayPrefs.scratchColor.name());
+	deDisplay.setAttribute("ScratchColorFollowsTheme", static_cast<int>(appPrefs.displayPrefs.scratchColorFollowsTheme));
 	deDisplay.setAttribute("FrameSelectedColor", appPrefs.displayPrefs.frameColor.name());
 	deDisplay.setAttribute("FrameNormColor", appPrefs.displayPrefs.frameNormColor.name());
 	deDisplay.setAttribute("FrameGroupColor", appPrefs.displayPrefs.frameGroupColor.name());
@@ -2147,6 +2156,25 @@
 				appPrefs.displayPrefs.scratchColor = QColor(dc.attribute("ScratchColor"));
 			else
 				appPrefs.displayPrefs.scratchColor = QApplication::palette().color(QPalette::Active, QPalette::Window);
+
+			if (dc.hasAttribute("ScratchColorFollowsTheme"))
+				appPrefs.displayPrefs.scratchColorFollowsTheme = static_cast<bool>(dc.attribute("ScratchColorFollowsTheme", "1").toInt());
+			else
+			{
+				// Legacy preferences stored only an RGB value. Migrate known Scribus
+				// theme defaults once, while preserving all other values as custom.
+				const QColor currentWindowColor = QApplication::palette().color(QPalette::Active, QPalette::Window);
+				bool followsTheme = (appPrefs.displayPrefs.scratchColor == currentWindowColor);
+
+				QStyle* fusionStyle = QStyleFactory::create("Fusion");
+				if (fusionStyle)
+				{
+					followsTheme |= (appPrefs.displayPrefs.scratchColor == fusionStyle->standardPalette().color(QPalette::Active, QPalette::Window));
+					delete fusionStyle;
+				}
+				followsTheme |= (appPrefs.displayPrefs.scratchColor == QColor(53, 53, 53));
+				appPrefs.displayPrefs.scratchColorFollowsTheme = followsTheme;
+			}
 			appPrefs.displayPrefs.frameColor = QColor(dc.attribute("FrameSelectedColor", "#ff0000"));
 			appPrefs.displayPrefs.frameNormColor = QColor(dc.attribute("FrameNormColor", "#000000"));
 			appPrefs.displayPrefs.frameGroupColor = QColor(dc.attribute("FrameGroupColor", "#008080"));
Index: scribus/prefsmanager.h
===================================================================
--- scribus/prefsmanager.h	(revision 27829)
+++ scribus/prefsmanager.h	(working copy)
@@ -141,6 +141,7 @@
 	int mouseWheelJump() const;
 	//! \brief Get the user set display scale
 	double displayScale() const;
+	QColor scratchColor() const;
 	//! \brief Get the GUI language from preferences
 	const QString& uiLanguage() const;
 	//! \brief Get the GUI style from preferences
Index: scribus/prefsstructs.h
===================================================================
--- scribus/prefsstructs.h	(revision 27829)
+++ scribus/prefsstructs.h	(working copy)
@@ -376,7 +376,8 @@
 	bool marginColored; //! Indicates if the margin to edge of page area will be colored in some other color or not
 	bool showPageShadow; //! Show a shadow around the pages
 	QColor paperColor; //! Color of paper (onscreen only)
-	QColor scratchColor; //! Color of scratch space (onscreen only)
+	QColor scratchColor; //! Custom color of scratch space (onscreen only)
+	bool scratchColorFollowsTheme; //! Use the application theme Window color for scratch space
 	QColor frameColor; //! Color of frame border (onscreen only)
 	QColor frameNormColor; //! Color of normal frame border (onscreen only)
 	QColor frameGroupColor; //! Color of border of grouped frames (onscreen only)
Index: scribus/scribus.cpp
===================================================================
--- scribus/scribus.cpp	(revision 27829)
+++ scribus/scribus.cpp	(working copy)
@@ -6581,9 +6581,9 @@
 	LocaleManager::instance().setUserPreferredLocale(m_prefsManager.appPrefs.uiPrefs.userPreferredLocale);
 	ScQApp->setLocale();
 
-	bool useDefaultScratchColor = false;
-	if (m_prefsManager.appPrefs.displayPrefs.scratchColor == QApplication::palette().color(QPalette::Active, QPalette::Window))
-		useDefaultScratchColor = true;
+	const bool scratchColorSettingChanged =
+		(oldPrefs.displayPrefs.scratchColorFollowsTheme != m_prefsManager.appPrefs.displayPrefs.scratchColorFollowsTheme) ||
+		(oldPrefs.displayPrefs.scratchColor != m_prefsManager.appPrefs.displayPrefs.scratchColor);
 
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 8, 0))
 	QString newUIStylePalette = m_prefsManager.appPrefs.uiPrefs.stylePalette;
@@ -6620,8 +6620,10 @@
 		// 	m_prefsManager.appPrefs.uiPrefs.style = oldPrefs.uiPrefs.style;
 	}
 
-	if (useDefaultScratchColor)
-		m_prefsManager.appPrefs.displayPrefs.scratchColor = QApplication::palette().color(QPalette::Active, QPalette::Window);
+	const bool scratchColorThemeChanged =
+		m_prefsManager.appPrefs.displayPrefs.scratchColorFollowsTheme &&
+		((oldPrefs.uiPrefs.stylePalette != m_prefsManager.appPrefs.uiPrefs.stylePalette) ||
+		 (oldPrefs.uiPrefs.style != m_prefsManager.appPrefs.uiPrefs.style));
 
 	QString newIconSet = m_prefsManager.guiIconSet();
 	// Recreate icons if icon set or GUI changed. For GUI change the icon recreation will automatically detect light and dark themes
@@ -6647,6 +6649,10 @@
 	else
 		mdiArea->setViewMode(QMdiArea::SubWindowView);
 	bool shadowChanged = oldPrefs.displayPrefs.showPageShadow != m_prefsManager.showPageShadow();
+	const bool scratchColorChanged = scratchColorSettingChanged || scratchColorThemeChanged;
+	if (scratchColorChanged)
+		pagePalette->refreshPageGrid();
+
 	QList<QMdiSubWindow *> windows = mdiArea->subWindowList();
 	if (!windows.isEmpty())
 	{
@@ -6671,8 +6677,10 @@
 				scw_v->zoom((scw_v->scale() / oldPrefs.displayPrefs.displayScale) * m_prefsManager.displayScale());
 				zoomSpinBox->setMaximum(doc->opToolPrefs().magMax);
 			}
-			if (shadowChanged)
-				scw->view()->DrawNew();
+			if (scratchColorChanged)
+				scw_v->refreshScratchColor();
+			if (shadowChanged || scratchColorChanged)
+				scw_v->DrawNew();
 		}
 	}
 
Index: scribus/scribusview.cpp
===================================================================
--- scribus/scribusview.cpp	(revision 27829)
+++ scribus/scribusview.cpp	(working copy)
@@ -123,9 +123,7 @@
 	m_vhRulerHW = Hruler::rulerHeight();
 
 	setObjectName("s");
-	QPalette p = palette();
-	p.setBrush(QPalette::Window, PrefsManager::instance().appPrefs.displayPrefs.scratchColor);
-	setPalette(p);
+	refreshScratchColor();
 	setAttribute(Qt::WA_StaticContents);
 	setAttribute(Qt::WA_InputMethodEnabled, true);
 	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
@@ -2255,6 +2253,20 @@
 	zoom(zoomPointX, zoomPointY, newScale, preservePoint);
 }
 
+void ScribusView::refreshScratchColor()
+{
+	if (PrefsManager::instance().appPrefs.displayPrefs.scratchColorFollowsTheme)
+	{
+		// Clear explicit palette roles so future application palette changes propagate.
+		setPalette(QPalette());
+		return;
+	}
+
+	QPalette p = palette();
+	p.setBrush(QPalette::Window, PrefsManager::instance().scratchColor());
+	setPalette(p);
+}
+
 void ScribusView::DrawNew()
 {
 	// 	qDebug("ScribusView::DrawNew");
Index: scribus/scribusview.h
===================================================================
--- scribus/scribusview.h	(revision 27829)
+++ scribus/scribusview.h	(working copy)
@@ -158,6 +158,7 @@
 	FPoint m_mousePointDoc;
 
 	void updatesOn(bool on);
+	void refreshScratchColor();
 	//CB This MUST now be called AFTER a call to doc->addPage or doc->addMasterPage as it
 	//does NOT create a page anymore.
 	ScPage* addPage(int nr, bool mov = true);
Index: scribus/ui/pagepalette.cpp
===================================================================
--- scribus/ui/pagepalette.cpp	(revision 27829)
+++ scribus/ui/pagepalette.cpp	(working copy)
@@ -165,6 +165,12 @@
 
 }
 
+void PagePalette::refreshPageGrid()
+{
+	if (m_pageWidget)
+		m_pageWidget->refreshPageGrid();
+}
+
 bool PagePalette::masterPageMode()
 {
 	PagePalette_MasterPages* mpWidget = dynamic_cast<PagePalette_MasterPages*>(this->currentWidget());
Index: scribus/ui/pagepalette.h
===================================================================
--- scribus/ui/pagepalette.h	(revision 27829)
+++ scribus/ui/pagepalette.h	(working copy)
@@ -68,6 +68,7 @@
 	void markPage(uint nr);
 	void updateMasterPageList();
 	void updatePagePreviews();
+	void refreshPageGrid();
 
 	void languageChange();
 
Index: scribus/ui/pagepalette_pages.cpp
===================================================================
--- scribus/ui/pagepalette_pages.cpp	(revision 27829)
+++ scribus/ui/pagepalette_pages.cpp	(working copy)
@@ -240,6 +240,11 @@
 
 }
 
+void PagePalette_Pages::refreshPageGrid()
+{
+	pageViewWidget->pageGrid()->update();
+}
+
 void PagePalette_Pages::updatePagePreview()
 {
 	if (currView == nullptr || pageViewWidget->pageGrid()->pageList.empty())
Index: scribus/ui/pagepalette_pages.h
===================================================================
--- scribus/ui/pagepalette_pages.h	(revision 27829)
+++ scribus/ui/pagepalette_pages.h	(working copy)
@@ -27,6 +27,7 @@
 public:
 	PagePalette_Pages(QWidget* parent);
 	~PagePalette_Pages() {};
+	void refreshPageGrid();
 
 public slots:
 	void setView(ScribusView *view);
Index: scribus/ui/pagepalette_widgets.cpp
===================================================================
--- scribus/ui/pagepalette_widgets.cpp	(revision 27829)
+++ scribus/ui/pagepalette_widgets.cpp	(working copy)
@@ -803,12 +803,12 @@
 	int y = m_rowSpace;
 	int offset = 0;
 	QRect selectedPageRect;
-	QColor foregroundColor( PrefsManager::instance().appPrefs.displayPrefs.scratchColor.lightness() <= 128 ? Qt::white : Qt::black);
+	QColor foregroundColor( PrefsManager::instance().scratchColor().lightness() <= 128 ? Qt::white : Qt::black);
 
 	QPainter painter(this);
 
 	// Draw background
-	painter.fillRect(rect(), PrefsManager::instance().appPrefs.displayPrefs.scratchColor);
+	painter.fillRect(rect(), PrefsManager::instance().scratchColor());
 
 	if (pageCount() == 0) return;
 
Index: scribus/ui/preferences/prefs_display.cpp
===================================================================
--- scribus/ui/preferences/prefs_display.cpp	(revision 27829)
+++ scribus/ui/preferences/prefs_display.cpp	(working copy)
@@ -30,6 +30,7 @@
 	m_icon = "pref-display";
 
 	buttonRestoreDPI->setIcon(IconManager::instance().loadIcon("pref-display"));
+	scratchSpaceColorResetButton->setIcon(IconManager::instance().loadIcon("reset"));
 
 	connect(pageFillColorButton, SIGNAL(clicked()), this, SLOT(changePaperColor()));
 	connect(showRulersRelativeToPageCheckBox, &QCheckBox::toggled, this, [this](bool on) { if (on) showRulersRelativeToEachPageCheckBox->setChecked(false); });
@@ -38,6 +39,7 @@
 	if (m_doc == nullptr && !ScCore->primaryMainWindow()->HaveDoc)
 	{
 		connect(scratchSpaceColorButton, SIGNAL(clicked()), this, SLOT(changeScratchColor()));
+		connect(scratchSpaceColorResetButton, &QToolButton::clicked, this, &Prefs_Display::resetScratchColor);
 		connect(frameSelectedColorButton, SIGNAL(clicked()), this, SLOT(changeFrameColor()));
 		connect(frameColorButton, SIGNAL(clicked()), this, SLOT(changeNormFrameColor()));
 		connect(frameGroupedColorButton, SIGNAL(clicked()), this, SLOT(changeGroupFrameColor()));
@@ -53,6 +55,7 @@
 	else
 	{
 		scratchSpaceColorButton->setEnabled(false);
+		scratchSpaceColorResetButton->setEnabled(false);
 		frameSelectedColorButton->setEnabled(false);
 		frameColorButton->setEnabled(false);
 		frameGroupedColorButton->setEnabled(false);
@@ -73,6 +76,8 @@
 void Prefs_Display::languageChange()
 {
 	pageFillColorButton->setToolTip( "<qt>" + tr( "Color for paper (onscreen)" ) + "</qt>");
+	scratchSpaceColorButton->setToolTip("<qt>" + tr("Set a custom scratch space color") + "</qt>");
+	scratchSpaceColorResetButton->setToolTip("<qt>" + tr("Use the interface theme color<br/>for scratch space") + "</qt>");
 	showUnprintableAreaInMarginColorCheckBox->setToolTip( "<qt>" + tr( "Mask the area outside the margins in the margin color" ) + "</qt>" );
 	showTextChainsCheckBox->setToolTip( "<qt>" + tr("Enable or disable the display of linked frames") + "</qt>");
 	showControlCharsCheckBox->setToolTip( "<qt>" + tr("Display non-printing characters such as paragraph markers in text frames") + "</qt>");
@@ -140,10 +145,10 @@
 	pageFillColorButton->setText( QString() );
 	pageFillColorButton->setIcon(pm);
 
-	pm.fill(prefsData->displayPrefs.scratchColor);
 	colorScratch = prefsData->displayPrefs.scratchColor;
+	m_scratchColorFollowsTheme = prefsData->displayPrefs.scratchColorFollowsTheme;
 	scratchSpaceColorButton->setText( QString() );
-	scratchSpaceColorButton->setIcon(pm);
+	updateScratchColorControls();
 
 	pm.fill(prefsData->displayPrefs.frameColor);
 	colorFrame = prefsData->displayPrefs.frameColor;
@@ -296,18 +301,38 @@
 	}
 }
 
+void Prefs_Display::updateScratchColorControls()
+{
+	const QColor displayColor = m_scratchColorFollowsTheme
+		? QApplication::palette().color(QPalette::Active, QPalette::Window)
+		: colorScratch;
+
+	QPixmap pm(100, 30);
+	pm.fill(displayColor);
+	scratchSpaceColorButton->setIcon(pm);
+	scratchSpaceColorResetButton->setEnabled(scratchSpaceColorButton->isEnabled() && !m_scratchColorFollowsTheme);
+}
+
 void Prefs_Display::changeScratchColor()
 {
-	QColor newColor(QColorDialog::getColor(colorScratch, this));
+	const QColor initialColor = m_scratchColorFollowsTheme
+		? QApplication::palette().color(QPalette::Active, QPalette::Window)
+		: colorScratch;
+	QColor newColor(QColorDialog::getColor(initialColor, this));
 	if (newColor.isValid())
 	{
-		QPixmap pm(100, 30);
-		pm.fill(newColor);
 		colorScratch = newColor;
-		scratchSpaceColorButton->setIcon(pm);
+		m_scratchColorFollowsTheme = false;
+		updateScratchColorControls();
 	}
 }
 
+void Prefs_Display::resetScratchColor()
+{
+	m_scratchColorFollowsTheme = true;
+	updateScratchColorControls();
+}
+
 void Prefs_Display::changeFrameColor()
 {
 	QColor newColor(QColorDialog::getColor(colorFrame, this));
@@ -434,6 +459,7 @@
 
 	prefsData->displayPrefs.paperColor = colorPaper;
 	prefsData->displayPrefs.scratchColor = colorScratch;
+	prefsData->displayPrefs.scratchColorFollowsTheme = m_scratchColorFollowsTheme;
 	prefsData->displayPrefs.frameColor = colorFrame;
 	prefsData->displayPrefs.frameNormColor = colorFrameNorm;
 	prefsData->displayPrefs.frameGroupColor = colorFrameGroup;
Index: scribus/ui/preferences/prefs_display.h
===================================================================
--- scribus/ui/preferences/prefs_display.h	(revision 27829)
+++ scribus/ui/preferences/prefs_display.h	(working copy)
@@ -51,6 +51,8 @@
 		*/
 		virtual void changePaperColor();
 		virtual void changeScratchColor();
+		void resetScratchColor();
+		void updateScratchColorControls();
 		virtual void changeFrameColor();
 		virtual void changeNormFrameColor();
 		virtual void changeGroupFrameColor();
@@ -74,6 +76,7 @@
 		QColor colorFrameAnnotation;
 		QColor colorPageBorder;
 		QColor colorControlChars;
+		bool m_scratchColorFollowsTheme { true };
 		double displayScale;
 		ScribusDoc* m_doc;
 
Index: scribus/ui/preferences/prefs_displaybase.ui
===================================================================
--- scribus/ui/preferences/prefs_displaybase.ui	(revision 27829)
+++ scribus/ui/preferences/prefs_displaybase.ui	(working copy)
@@ -437,11 +437,37 @@
             </widget>
            </item>
            <item row="1" column="1">
-            <widget class="QPushButton" name="scratchSpaceColorButton">
-             <property name="text">
-              <string/>
+            <layout class="QHBoxLayout" name="scratchSpaceColorLayout">
+             <property name="spacing">
+              <number>6</number>
              </property>
-            </widget>
+             <property name="leftMargin">
+              <number>0</number>
+             </property>
+             <property name="topMargin">
+              <number>0</number>
+             </property>
+             <property name="rightMargin">
+              <number>0</number>
+             </property>
+             <property name="bottomMargin">
+              <number>0</number>
+             </property>
+             <item>
+              <widget class="QPushButton" name="scratchSpaceColorButton">
+               <property name="text">
+                <string/>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QToolButton" name="scratchSpaceColorResetButton">
+               <property name="text">
+                <string/>
+               </property>
+              </widget>
+             </item>
+            </layout>
            </item>
            <item row="2" column="0">
             <widget class="QLabel" name="label_13">
Index: scribus/ui/widgets/pagesizepreview.cpp
===================================================================
--- scribus/ui/widgets/pagesizepreview.cpp	(revision 27829)
+++ scribus/ui/widgets/pagesizepreview.cpp	(working copy)
@@ -11,7 +11,7 @@
 void PageSizePreview::paintEvent(QPaintEvent *event)
 {
 	QColor colPage = PrefsManager::instance().appPrefs.displayPrefs.paperColor;
-	QColor colBackground = PrefsManager::instance().appPrefs.displayPrefs.scratchColor;
+	QColor colBackground = PrefsManager::instance().scratchColor();
 	QColor colMargin = PrefsManager::instance().appPrefs.guidesPrefs.marginColor;
 	QColor colBleed(Qt::gray);
 	QColor colFrame(Qt::black);