Oh, silly me Here it is .. <windowmode>GUIInstall</windowmode> <colours> <header back='#4A6FD6' fore='#FFFFFFFF' image='' /> <footer back='#4A6FD6' fore='#FEFEFEFF' image='' /> <progress border='#000000FF' back='#FFFFFFFF' fore='#079E05FF' /> <main back='#4A6FD6' fore='#FFFFFFAA' current='#FF8000' description='#FFFFFF' image='' overlay='#FFFFFF22'/> </colours> and I have tried those options before, didn't succeed ...