[argyllcms] Re: Black generation and black ink limiting

  • From: Fabrizio Levati <fabrizio.levati@xxxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Mon, 5 Apr 2010 19:18:48 +0200

Martin Weberg wrote:

> You're doing nothing wrong. Graeme explained why the curves appear the
> way they do.


35.560000 0.000000 0.000000 [Lab] -> Lut -> 50,443696 41,711687 40,067612
59,870632 [CMYK] -> TAC 192,093627
31.620000 0.000000 0.000000 [Lab] -> Lut -> 49,424223 40,768571 38,909611
68,558099 [CMYK] -> TAC 197,660504
27.660000 0.000000 0.000000 [Lab] -> Lut -> 44,350140 36,607080 34,194777
78,359684 [CMYK] -> TAC 193,511681
23.695000 0.000000 0.000000 [Lab] -> Lut -> 40,055614 32,925542 30,424117
85,407089 [CMYK] -> TAC 188,812362
I was just trying to understand how CMY limiting is achieved.
If I boost the K level to meet deeper blacks but without decreasing CMY I am 
not exceeding the total ink limit selected for the profile, what else comes 
into play?

Fabrizio

Other related posts: