[pdftex] Two-color printing with pdftex

[Siep Kroonenberg]

On Sun, Nov 21, 2010 at 09:54:09AM +0000, Robin Fairbairns wrote:
> Taco Hoekwater <taco at elvenkind.com> wrote:
> 
> > On 11/21/2010 10:13 AM, Christopher Adams wrote:
> > > Any working code samples for this kind of thing? Very alluring concept.
> > 
> > In ConTeXt;
> > 
> > \setupcolors[state=start,rgb=no,cmyk=yes]
> > \definecolor[spotcolor][cyan]
> > 
> > No idea how to do that in latex, sorry.
> 
> there's a package spotcolor (yes: american spelling)
> (mirror.ctan.org/macros/latex/contrib/spotcolor)
> 
> which claims to do the job for latex: i've never got to the bottom of
> what's actually required (i've never printed "proper-like") but this
> might offer a start.
> 
> robin

Isn't it just a matter of using the cmyk color model with the LaTeX
color package? E.g.

\definecolor{colorname}{cmyk}{0.6,0,0,0.1}

-- 
Siep Kroonenberg