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Hi, I try to achieve transparently filled objects using the metaobj package. However, transparency is ignored completely in the output, I just get a normal white. Here is my test file: \setupcolors[state=start] \setupbackgrounds[page][background=color,backgroundcolor=red] \startMPenvironment[global] \definecolor[Durchsichtig][r=1.0,g=1.0,b=1.0,t=0.0,a=normal] \stopMPenvironment \startreusableMPgraphic{test} input metaobj; setObjectDefaultOption("Box")("fillcolor")(\MPcolor{Durchsichtig}); newBox.test(btex Transparent? etex) "filled(true)"; Obj(test).c=origin; drawObj(test); \stopreusableMPgraphic \starttext \reuseMPgraphic{test} \stoptext If I use the fillcolor as an argument to the object newBox.test(btex Transparent? etex) "filled(true)" "fillcolor(\MPcolor{Durchsichtig})"; I get error messages from the mpost run. So it seems that metaobj and \MPcolor don't like each other. Any ideas how to circumvent this problem? Regards, Eckhart