[NTG-context] Colored labels with MetaPost in MkII

Hi all, what is the best method to format MetaPost labels in MkII with \doattributes. \setupcolors[state=start] \def\labelstyle{bold} \def\labelcolor{red} \starttext \startMPcode label(textext("\doattributes{label}{style}{color}{Label}"),origin) ; \stopMPcode \stoptext Wolfgang