%%
%% An UIT Edition example
%%
%% 1st edition
%%
%% Example 01-03-4 on page 12.
%%
%% Copyright (C) 2012 Herbert Voss
%%
%% 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.
%%
%%
%% ====
% Show page(s) 1
%%
%%
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{190.324pt}
%\StartShownPreambleCommands
\usepackage{xcolor}
%\StopShownPreambleCommands
\begin{document}
\textcolor{red}{\rule{2cm}{2cm}}%
\textcolor{green}{\rule{2cm}{2cm}}%
\textcolor{blue}{\rule{2cm}{2cm}}
\textcolor{red!60}{\rule{2cm}{2cm}}%
\textcolor{green!60}{\rule{2cm}{2cm}}%
\textcolor{blue!60}{\rule{2cm}{2cm}}
\textcolor{red!30}{\rule{2cm}{2cm}}%
\textcolor{green!30}{\rule{2cm}{2cm}}%
\textcolor{blue!30}{\rule{2cm}{2cm}}
\end{document}