This is a description of how to make LaTeX put colour figures on a separate page.
\clearpage
\newpage
balance
package making it impossible to balance the last page before the
colour plate.
\setcounter{figure}{0}
\makeatletter
\renewcommand{\thefigure}{C\arabic{figure}}
\renewcommand{\p@subfigure}{C\arabic{figure}}
\makeatother
This will also add the letter C
in front of each
figure and each reference.