beamercolor
I'm trying to change the color of the following theme:
I can change the color with the \usecolortheme{} command, but I specifically wanted to change it to green (#009045) because it's my school's color.
Basically I wanted the theme to follow the same style, just change the green color that is currently already present to the color #009045
Now I made a significant simplification to my initial solution. In the code below I used a green-based color scheme, but redefining appropriately color0, color1,..., color7, the colors can be customized. I also added a little (optional) decoration at the bottom right corner of the frames:
\documentclass{beamer}
\usepackage{totcount}
\usepackage{tikz}
\regtotcounter{section}
\definecolor{color0}{HTML}{00675E}
\definecolor{color1}{HTML}{00B366}
\definecolor{color2}{HTML}{34CFCB}
\definecolor{color3}{HTML}{007D48}
\definecolor{color4}{HTML}{80FFC9}
\definecolor{color5}{HTML}{5DCFC3}
\definecolor{color6}{HTML}{BFFFE4}
\definecolor{color7}{HTML}{009E8E}
\makeatletter
\def\sectioncolor{color0}% color to be applied to section headers
\setbeamercolor{palette primary}{use=structure,fg=structure.fg}
\setbeamercolor{palette secondary}{use=structure,fg=structure.fg!75!black}
\setbeamercolor{palette tertiary}{use=structure,fg=structure.fg!50!black}
\setbeamercolor{palette quaternary}{fg=black}
\setbeamercolor{local structure}{fg=color0}
\setbeamercolor{structure}{fg=color0}
\setbeamercolor{title}{fg=color0}
\setbeamercolor{section in head/foot}{fg=black}
\setbeamercolor{normal text}{fg=black,bg=white}
\setbeamercolor{block title alerted}{fg=red}
\setbeamercolor{block title example}{fg=color0}
% Each \section redefines \sectioncolor and applies the shading with this color
% add as many colors as you need
\AtBeginSection{%
\renewcommand\sectioncolor{%
\ifcase\value{section} color0\or color1\or color2\or color3\or color4\or color5\else color6\fi}
\setbeamercolor{frametitle}{fg=black}%
\pgfdeclareverticalshading{beamer@headfade}{\paperwidth}
{%
color(0.25cm)=(bg);
color(1.25cm)=(\sectioncolor)%
}
}
\newlength\sectionboxwd
\AtBeginDocument{%
\ifnum\totvalue{section}>0
\setlength\sectionboxwd{\dimexpr\paperwidth/\totvalue{section}\relax}
\else
\setlength\sectionboxwd{\paperwidth}
\fi
}
\newcommand\insertcolors{%
\ifnum\totvalue{section}>0
\setlength\fboxsep{0pt}%
\foreach \x in {1,...,\totvalue{section}}
{\colorbox{color\x}{\phantom{\rule{\dimexpr\the\sectionboxwd\relax}{5ex}}}}%
\else\fi
}
\setbeamertemplate{section in head/foot}{\setlength\fboxsep{0pt}\hspace{-1.875ex}%
\parbox[c][4ex][t]{\sectionboxwd}{%
\hfill\parbox{\dimexpr\sectionboxwd-8pt\relax}{%
\raggedright\insertsectionhead%
}\hfill\mbox{}%
}%
}
\setbeamertemplate{headline}
{%
\begin{beamercolorbox}[wd=\paperwidth]{section in head/foot}
\insertcolors%
\vskip-4ex%
\insertsectionnavigationhorizontal{\paperwidth}{\hskip-1.875ex}{\hskip-8pt}\vskip2pt
\end{beamercolorbox}%
}
\pgfdeclareverticalshading{beamer@headfade}{\paperwidth}
{%
color(0.25cm)=(bg);
color(1.25cm)=(color7)%
}
\addtoheadtemplate{}{\pgfuseshading{beamer@headfade}\vskip-1.25cm}
\setbeamertemplate{navigation symbols}{}
\addtobeamertemplate{footline}{}{%
\hfill\color{\sectioncolor}\rule[0.5cm]{2.5cm}{1pt}\rule[0.5cm]{1pt}{1cm}\hspace*{0.5cm}}
\title{A Beamer Theme}
\subtitle{With colorful headline}
\author{Gonzalo Medina}
\institute{\texttt{tex,stackexchange.com}}
\date{\today}
\begin{document}
\begin{frame}
\maketitle
\end{frame}
\section{Test section}
\begin{frame}
\begin{enumerate}
\item Test
\end{enumerate}
\end{frame}
\section{A test section with a really really long title}
\begin{frame}
\begin{enumerate}
\item Test
\end{enumerate}
\end{frame}
\section{Another test section}
\begin{frame}
\begin{enumerate}
\item Test
\end{enumerate}
\end{frame}
\section{Another test section with a really really long title}
\begin{frame}
\begin{enumerate}
\item Test
\end{enumerate}
\end{frame}
\end{document}
And some images, showing the titlepage and the first frame of every section in the example; the images illustrate the automatic change of color desired for every section and the colored background in the navigation bar.
A zoom to one of the frames to show the headline:
Remark:
The code needs two (or three) runs to stabilize.
According to this post on SO: https://stackoverflow.com/questions/2865581/changing-the-colour-of-textbullet-in-latex-beamer
The best solution is:
\setbeamercolor*{item}{fg=color}
Another one but lower interest:
\setbeamercolor{itemize item}{fg=color} % all frames will have red bullets
\begin{frame}
\begin{itemize}
\item First item.
\item Second item.
\item Third item.
\item Fourth item.
\end{itemize}
\end{frame}
Best Answer
This beamer theme
ZMBZFMK, which is defined in a file calledbeamerthemeZMBZFMK.sty, uses a specific\colorthemethat is loaded using the filebeamercolorthemeZMBZFMK.sty. And this files defines the green color used for the boxes and headlines on the frames with\definecolor{tublue}{RGB}{0,152,103}.Thus, you may want to redefine this color directly after having loaded this beamer theme. So, in your preamble, look for the following line:
and add this line after it (which overrides the default definition of the color
tubluewhich is actually the green you want to change):Note that this will not change the color of the logo, for obvious reasons.