Beamer is a LaTeX class for creating slides for presentations. It supports both pdfLaTeX and LaTeX + dvips. The name is taken from the German word Beamer, a pseudo-anglicism for video projector.

One can make beautiful and structured presentation using all power of LaTex. You can install it in Linux distributions from your package manager.

There are a few text color available by default like green, blue, and red.

The above colors was created using this simple frame:

\begin{frame}
\textcolor{blue}{blue}
\textcolor{green}{green}
\textcolor{yellow}{yellow}
\textcolor{orange}{orange}
\textcolor{red}{red}
\textcolor{violet}{violet} \newline

\textcolor{BlueGreen}{bluegreen}
\textcolor{dgreen}{dgreen}
\textcolor{olive}{olive}
\textcolor{title}{title}
\textcolor{Magenta}{magenta} \newline
\textcolor{gold}{gold}
\textcolor{darkyellow}{darkyellow}
\textcolor{RawSienna}{rawsienna}
\end{frame}