[scribus] No real CMYK black possible??

Tino Schwarze scribus.lists at tisc.de
Sun Jun 22 15:32:06 CEST 2008


Hi there,

I'm currently designing a folder with black background. I'm using
the ISOCoated v2 (ECI) profile for offset printing. But my black (as in
CMYK=0/0/0/100) background doesn't look black at all on screen. Scribus
as well as Acroread display a very dark grey and I can even distinguish
it easily from the pictures I converted from sRGB->ISOCoated using
tifficc. (Pictures converted by scribus are also okay and visibly darker
than my supposedly-black background.)

I tried unchecking Blackpoint compensation - no visual difference. I've
set the rendering intent to "relative colorimetric" and exported to
PDF/X with ISO Coated v2 destination profile. I also tried PDF1.4
without profiles (with Printer as destination) - same result.

How will I get a real black color?

Scribus version is 1.3.3.11, running on SuSE 10.3, liblcms is 1.16.

I've got a workaround: made a 10x10 black TIFF, converted to ISOCoated,
used it as background but the print shop will probably complain about
too low resolution.

Any hints?

Thanks,

Tino.

-- 
"What we nourish flourishes." - "Was wir nähren erblüht."

www.craniosacralzentrum.de
www.forteego.de




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