%%
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%%  Example 11-3-13 on page 746.
%%
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%%
%%  See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{ttctexagray}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.83385pt}
\StartShownPreambleCommands
\usepackage{colortbl}
\StopShownPreambleCommands
\begin{document}
\newcommand\panel[1]{\multicolumn{1}%
            {>{\columncolor{magenta}}#1}}
\begin{tabular}{lrr}
 \large\textbf{Table title}\\[2mm]
 \textbf{Description}
         & \textbf{Column 1}
            & \textbf{Column 2}\\[1mm]
 Row one & mmmmm & mmmm \\
 Row two &  mmmm & mmm  \\
 \panel{l}{Row three}
         & \panel{r}{mmmmm}
            & \panel{r}{mmmmm} \\
 Row four& mmmmm & mmmm  \\ \cline{2-3}
 Totals  & mmmmm & mmmmm
\end{tabular}
\end{document}