Kostas, The truth is I don’t know how the printer manages colors. Most photographs I have seen so far use sRGB but some others as well. That is as far as the image files. What happens to them when I make a PDF of the book I am not sure. Well, fact is I do not know. Andy On Feb 26, 2015, at 1:38 PM, Kostas Papakotas <clenchedteethphotography@xxxxxxxx> wrote: > Andy, Am i correct that the printing color profile is sRGB?