[OS X TeX] Colored words

Bruno Voisin bvoisin at mac.com
Mon Feb 21 19:09:50 CET 2005

Le 21 févr. 05, à 18:17, Alain Schremmer a écrit :

> Aaron Jackson wrote:
>> \documentclass[11pt]{article}
>> \usepackage[pdftex]{color}
>> [...]
> I copy pastd the above but the console says "Undefined color 'green'."
> (Same for the other colors)

Aren't you, by any chance, typesetting in TeX + GhostScript mode (while 
the above passes the option [pdftex] on to the color package, hence 
defining colors based on pdfTeX-specific instructions)?

> I am totally out of my detph here so I must bother you again.
> (By the way what is the difference between \usepackage[pdftex]{color} 
> and \usepackage{color} which is what I have been using so far?)

In case you're using TeXShop in pdfTeX mode: no difference at all. In 
case you're using TeXShop in TeX + GhostScript mode: a significant 
difference, since \usepackage{color} = \usepackage[dvips]{color} 
implicitly in this case.

What's used here is code in 
detecting whether pdfTeX or dvips is used, and selecting automatically 
the appropriate option for the color package.

Bruno Voisin

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