%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example D-11-9 on page .
%% 
%%  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{ttctexaplate}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{413.44133pt}
\StartShownPreambleCommands
\usepackage{array,multicol}%
      \usepackage[table,showerrors,dvipsnames]{xcolor}
      \makeatletter
        \def\testclr#1#{\@testclr{#1}}
        \def\@testclr#1#2{{\fboxsep\z@\fbox{\colorbox#1{#2}{\phantom{XXX}}}}}
        \def\Testclr#1#{\@Testclr{#1}}
        \def\@Testclr#1#2#3{\testclr#1{#2}~\rlap{\textrm{#3}}\\}
      \makeatother

\StopShownPreambleCommands
\begin{document}
\makeatletter
\newdimen\XCdim
\def\ColorList#1#2#3#4{\begin{multicols}{#1}%
  \small
  \def\preparecolorset
   {\def\XC@@cmd[####1]####2####3####4{\definecolor[####1]{@test}{####3}{####4}#4{@test}{####2}}\@testopt{\XC@definecolorset}{}}
  \edef\restore{\catcode`\noexpand\%\the\catcode`\%\relax}
  \catcode`\%14\relax\input{#3nam.def}\restore
  \end{multicols}}
\makeatother
\centering
\raggedcolumns\columnsep1em
\parindent0mm
\ColorList4{svg}{svg}\Testclr
\end{document}