Index: thumbnail/textcreator.cpp
===================================================================
--- thumbnail/textcreator.cpp
+++ thumbnail/textcreator.cpp
@@ -136,8 +136,7 @@
                 }
             }
 
-            QColor bgColor = QColor ( 245, 245, 245 ); // light-grey background
-            m_pixmap.fill( bgColor );
+            m_pixmap.fill( QPalette().color(QPalette::Active, QPalette::Window) );
 
             QPainter painter( &m_pixmap );