Gregory Pittman wrote: > John Culleton wrote: >> I presume this can be done through the correct color profile. Or >> perhaps it requires a redefinition of the black color swatch. Or maybe >> it is the default. The manual defines rich black but does not explain >> at that point how to get either rich black or pure black. >> The issue comes up because some process color presses will not accept >> a combination of colors which together add up to more than 240% total >> density. >> >> Guidance appreciated. > http://wiki.scribus.net/index.php/What_is_Rich_Black%3F > > Pure black, AFAICT, is defined by CMYK as 100% K, 0% C, M, and Y. There > can be a problem in Scribus trying to get pure black as an end result, > since and RGB with 0 for each value will probably not result in pure > black. We've had a number of submissions to the list where it seems the > sender gets obsessed with getting pure black, and consequently gets > upset at not achieving it. > > In the end, I think it should come down to getting the visual color of > black you want with the printed product rather than some absolute > mathematically pure black.
Accepted, but presumably it is also a good thing to minimise ink use as long as this doesn't compromise the quality of the black ? Cheers, J/. -- John Beardmore, MSc EDM (Open), B.A. Chem (Oxon), CMIOSH, AIEMA, MEI Managing Director, T4 Sustainability Limited. http://www.T4sLtd.co.uk/ Energy Audit, Carbon Management, Design Advice, Sustainable Energy Consultancy and Installation, Carbon Trust Standard Registered Assessor Phone: 0845 4561332 Mobile: 07785 563116 Skype: t4sustainability
