1\usemodule[present-shaded] 2 3\startdocument 4 \dorecurse {10} { 5 \startchapter[title={Whatever}][color=shade:#1] 6 \section{test} 7 test #1 8 \namedstructureuservariable{chapter}{color} 9 \stopchapter 10 } 11\stopdocument 12