%% 
%%  A DANTE-Edition example
%% 
%%  Example 02-01-13 on page 19.
%% 
%%  Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{375.57637pt}
\setlength\parindent{0pt}

\usepackage{xcolor}
\definecolor{light}{gray}{.80}
\definecolor{dark}{gray}{.20}

\begin{document}
\colorbox{red}{black on red}\hfill%
\fcolorbox{red}{cyan}{black -- text, cyan -- background, red -- frame}\\
\colorbox{light}{\textcolor{dark}{light background}}\hfill%
\fcolorbox{red}{cyan}{\color{white}white -- text, cyan --
background,
    red -- frame}\\
\colorbox{dark}{\textcolor{white}{dark background}}
\end{document}