Hello, for some reason I have always been using standardmakeup for separating chapters in slides (I don't know if that's a good idea or not), but this fails: \setupcolors [state=start] \setuphead [chapter] [page=yes, number=no, command=\mychaptercommand] \setuphead [section] [page=yes, number=no] \def\mychaptercommand#1#2{% \bgroup \startstandardmakeup \setupbackgrounds[page][background=color,backgroundcolor=blue] % doesn't work \switchtobodyfont[30pt]{#2} \stopstandardmakeup \egroup} \starttext \chapter{Chapter} \section{Section} % starts on the first page \input tufte \stoptext I have now used \def\mychapter#1#2{% % the only way to make background color work \page\bgroup \setupbackgrounds[page][background=color,backgroundcolor=blue] \startstandardmakeup \switchtobodyfont[30pt]{#1: #2} \stopstandardmakeup \egroup} as a workaround, but I wonder: is my first attempt something that's simply forbidden to use or did I use it in a wrong way? Thanks, Mojca