Am Mon, 8 Jun 2020 11:28:56 +0200 schrieb Zdenek Wagner: > PostScript can directly set both the colour and > the colour model by setgray, setrgbcolor, setcmykcolor or first change > the model and then set the colour by setcolor the number of parameters > of which depend on the current colour model, while PDF needs k and K > for CMYK, rg and RG for RGB, g and G for greyscale.
You can in PDF also use the setmodel/setcolor syntax with rgb etc. e.g. /DeviceRGB CS /DeviceRGB cs %set model 1 0 0 SCN 1 0 0 scn %set color The RG/rg operator are only a shortcut. -- Ulrike Fischer http://www.troubleshooting-tex.de/
