将棕色改为其他颜色

将棕色改为其他颜色
\documentclass{beamer}
 %\usepackage{etoolbox} (this is necessary for old beamer versions)
%\usepackage{graphicx}
%\usepackage{color}

\usetheme{Madrid}

% Definition %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\definecolor{studentbrown}{RGB}{124,71,50}

\BeforeBeginEnvironment{definition}{%
    \setbeamercolor{block title}{fg=white,bg=studentbrown}
    \setbeamercolor{block body}{fg=black, bg=studentbrown!20!white}
}
\AfterEndEnvironment{definition}{
        \setbeamercolor{block title}{use=structure,fg=white,bg=structure.fg!75!black}
        \setbeamercolor{block body}{parent=normal text,use=block title,bg=block title.bg!10!bg}
}

\begin{document}

\begin{frame}

\begin{definition}
test
\end{definition}

\end{frame}

\end{document}

在此处输入图片描述

我想将棕色改为其他颜色

答案1

更改命令中的颜色\definecolor{studentbrown}{RGB}{3,14,159}

\documentclass{beamer}
 %\usepackage{etoolbox} (this is necessary for old beamer versions)
%\usepackage{graphicx}
%\usepackage{color}

\usetheme{Madrid}

% Definition %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\definecolor{studentbrown}{RGB}{3,14,159}

\BeforeBeginEnvironment{definition}{%
    \setbeamercolor{block title}{fg=white,bg=studentbrown}
    \setbeamercolor{block body}{fg=black, bg=studentbrown!20!white}
}
\AfterEndEnvironment{definition}{
        \setbeamercolor{block title}{use=structure,fg=white,bg=structure.fg!75!black}
        \setbeamercolor{block body}{parent=normal text,use=block title,bg=block title.bg!10!bg}
}

\begin{document}

\begin{frame}

\begin{definition}
test
\end{definition}

\end{frame}

\end{document}

在此处输入图片描述

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