\documentclass{article}
\usepackage{color}

\begin{document}
\Huge    \pagecolor{white} white
\newpage \pagecolor{red} red
\newpage \pagecolor{white} white ? % This become red by dvipdfm-0.13.2b
\newpage \pagecolor{white} white, again
\newpage \pagecolor{red} red
\end{document}