[scribus] How to assure pure black and not rich black.
jeffrey.d.silverman at gmail.com
Fri Jun 26 19:51:06 CEST 2009
> 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.
It's not just academic. The difference in printing "pure black" vs
"rich black" on a color laser is the difference in using all your
color toner (expensive) or your black toner (also expensive, but less
so). Same goes for screen printing, iirc.
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