[texhax] Makros in \color

Arno Trautmann Arno.Trautmann at gmx.de
Wed Jun 16 20:59:16 CEST 2010

Hi all,

I want to abuse the \color makro a bit in the following way:

\color[RGB]{0 0 \themycount}

So the color will change as the counters change. This works. Trying it
with 2 counters:

\color[RGB]{0 \themycount \themycount},

I get errors from the \color-parser, I think:

! Argument of \c at lor@@RGB has an extra }.
<inserted text>
l.45 \begin{document}

Using the beamer class, this is a minimal example (other classes give
different error messages, but I guess it’s the same problem):


\color[RGB]{100 \themycount \themycount} test


So my question is: How to define a makro that gives a color depending on
the value of two counters?


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