%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 11-2-8 on page 725.
%% 
%%  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{207.83385pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{xcolor}
\newsavebox{\X}
\StopShownPreambleCommands
\begin{document}
\sbox{\X}{[black text] and
 \color[cmyk]{0,0.6,0.8,0}[orange text]}

Start with \usebox{\X}, and return to black

{\color{green}Start in green, see
\usebox{\X} and once again green}
\end{document}
