\documentclass{beamer}
\hypersetup{
colorlinks = true,
citecolor = green
}
\begin{document}
\begin{frame}
This is a great result~\cite{Paper}.
But this is a link to slide~\ref{Bib}.
\end{frame}
\begin{frame}{Bibliography}\label{Bib}
\begin{thebibliography}{}
\bibitem[Author, 1942]{Paper}
Author. B.
\newblock The great result.
\end{thebibliography}
\end{frame}
\end{document}
Result: both are red.
Expected: the cite is green, the ref is red.
MWE (originally reported in https://tex.stackexchange.com/q/104290/250119 ):
Result: both are red.
Expected: the cite is green, the ref is red.