The code below gives the following output for the head:
Here the first section on the left is active and the others not, but the difference is quite small, I would like the active section to be in gray. Is there a way to control how the colors are mixed, so that I can increase the contrast (by dimming the inactive section even further)?
\documentclass{beamer}
\usetheme{Singapore}
\setbeamercolor{section in head/foot}{fg=gray,bg=white}
\begin{document}
\section{one}
\begin{frame}
\end{frame}
\section{two}
\begin{frame}
\end{frame}
\section{three}
\begin{frame}
\end{frame}
\end{document}
Best Answer
You can use the apposite template
section in head/foot shaded
.Example:
With
[10]
it is defined the percentage of opaqueness.Result: