\documentclass{article} \usepackage{geometry} \geometry{paper=letterpaper, lmargin=.5in, rmargin=.5in} \usepackage{xcolor} \title{RGB Color Examples} \author{} \date{} \begin{document} \maketitle \setlength{\fboxsep}{10pt} \def\Model{rgb} \input{colors.tex} \end{document}