Try to Set Color to vtktextactor not to vtktextwidget. textActor->GetTextProperty()->SetColor( 0.0, 1.0, 0.0 ); -- View this message in context: http://vtk.1045678.n5.nabble.com/Border-line-color-of-vtkTextWidget-tp5727709p5727845.html Sent from the VTK - Users mailing list archive at Nabble.com.