Hello, with color black overprinting is not working. You can easily spot this when you use the »Ausgabevorschau« (sorry, my acrobat is in german locale, must be something with »preview« in english; located in the »tools« menu) in acrobat and remove magenta and black from the preview. Whilst under the region with the magenta colored text the picture gets shown, in the region with the black colored text the text is cut out of the picture, leaving white. I think this is a bug, as overprinting makes most sense with black. It happens both in Mark II and IV -- you have to manually copy the hacker.jpg to your working directory (under linux e.g. with cp $(kpsewhich hacker.jpg) /path/to/your/working/directory) and change the path to make the minimal example work under mark iv. Best regards, olli \setupcolors[state=start,cmyk=yes,rgb=no] \definelayer [mybg] [x=0mm, y=0mm, width=\paperwidth, height=\paperheight, repeat=yes] \setlayer [mybg] [hoffset=5cm, voffset=7cm] {\externalfigure[sample/hacker.jpg][max]} % mark ii % {\externalfigure[hacker.jpg][max]} % mark iv \setupbackgrounds[page][background=mybg] \starttext {\bf With foregroundcolor = magenta.} \color[magenta] \startoverprint \input tufte \stopoverprint \color[black] {\bf With foregroundcolor = black. \color[magenta](Some magenta without overprint)} \color[black] \startoverprint \input tufte \stopoverprint \stoptext -- Oliver Heins heins@sopos.org http://oliverheins.net/ http://blog.overheins.net/ F27A BA8C 1CFB B905 65A8 http://scriptorium-adp.de/ 2544 0F07 B675 9A00 D827 1024D/9A00D827 2004-09-24 -- gpg --recv-keys 0x9A00D827 Please avoid sending me Word or PowerPoint attachments: http://www.gnu.org/philosophy/no-word-attachments.html