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+# Beamer color theme `owl`
+
+> The effectiveness of a colour scheme is heavily dependent on the conditions you present in. Colours that look nice on a computer screen may be invisible projected; colours that stand out in a lit room may strain the eyes in a dark room. If possible, you should carefully choose from Beamer's wide variety of colour themes to find one that fits your presentation's individual needs.
+
+
+The above paragraph would be excellent advice, except for one thing --- only a handful of pre-selected colour themes are publicly available for Beamer. The vast majority of Beamer presentations use one of the [built-in colour themes](https://mpetroff.net/files/beamer-theme-matrix/), which are effective in some conditions but inadequate in others. The goal of this package is to reduce the number of situations you find yourself without any good colour options. `owl` is a flexible dark or light colour theme designed for maximum readability in environments where most themes fall flat.
+
+
+
+## Examples
+
+![The `owl` colour theme used with the Beamer themes `Hannover`, `Pittsburgh`, and `metropolis`](https://raw.githubusercontent.com/rchurchley/beamercolortheme-owl/master/ex/readme.jpg)
+
+
+
+## Installation
+Installing `owl`, as with any other LaTeX package, involves just three easy steps:
+
+1. **Download the source** as a [zip archive](https://github.com/rchurchley/beamercolortheme-owl/archive/master.zip) or with a `git clone` of this Git repository.
+
+2. **Compile** `beamercolorthemeowl.ins` with LaTeX to produce the package file `beamercolorthemeowl.sty`.
+
+3. **Move the `.sty` file** to the folder containing your presentation or a directory in your TeX path.
+
+That's it! We are working on a CTAN release which would make it even easier to
+install through your LaTeX distribution's package manager.
+
+
+
+## Usage
+
+Once you have downloaded and installed the `beamercolorowl` package, using it is a piece of cake:
+
+```latex
+\usecolortheme{owl}
+```
+
+Unlike many Beamer themes, `owl` defaults to a dark theme with white text on a black background. This is particularly recommended for presentations with low ambient lighting, where it has the most advantages.
+
+If you expect to present in a brightly-lit room or with a weak projector, you may wish to use to use the `snowy` option to use black text on a white background:
+
+```latex
+\usecolortheme[snowy]{owl}
+```
+
+In addition to setting the colour scheme of your slides, `owl` redefines the redefines the basic colour names `red`, `green`, `blue`, `yellow`, `violet`, `brown`, `orange`, and `cyan` to hues that are more visible when when displayed by some projectors. If you do not want these colour names to be redefined, use the `cautious` option when loading `owl`:
+
+```latex
+ \usecolortheme[cautious]{owl}
+```
+
+In either case, `owl`-defined colours will be available as `OwlRed`, `OwlGreen`, and so forth.
+
+![`OwlRed`, `OwlGreen`, `OwlBlue`, and `OwlYellow`](https://raw.githubusercontent.com/rchurchley/beamercolortheme-owl/master/ex/colours.png)
+
+
+
+## Contributions
+
+The biggest way you can help `owl` is by sharing your experience using it. Our goal with `owl` is to provide colours that are as visible as possible, even in unfavourable presenting conditions, and that is very difficult to test with only one pair of eyes and a handful of projectors!
+
+If you have used `owl` or seen it used, we would greatly appreciate your opinion on how it performed. Please open a GitHub Issue or privately email `ross@rosschurchley.com` with as much of the following information as you can:
+
+- The version of `owl` used.
+- The Beamer theme, if any, that was used together with `owl`.
+- Whether `owl` was used as a dark or light theme.
+- Details on the room (auditorium, large room, small room, ...)
+- Details on the lighting conditions (brightly lit, dark, windows, ...)
+- Details, if known, on the reporter's vision (glasses, colour deficiencies, ...)
+- Your opinion on:
+ + whether normal text was visible against the background.
+ + whether the provided colours (`OwlRed`, `OwlBlue`, etc) were legible against the background.
+ + whether the provided colours (`OwlRed`, `OwlBlue`, etc) were distinguishable from each other and from the normal text colour.
+
+We also welcome technical feedback and bug reports in the form of GitHub Issues and pull requests.
diff --git a/Master/texmf-dist/doc/latex/beamercolorthemeowl/beamercolorthemeowl.pdf b/Master/texmf-dist/doc/latex/beamercolorthemeowl/beamercolorthemeowl.pdf
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+% \iffalse meta-comment ------------------------------------------------------
+% Copyright 2016 Ross Churchley. Contributions to this package are welcome at
+%
+% https://github.com/rchurchley/beamercolortheme-owl
+%
+% This work may be distributed and/or modified under the conditions of the
+% LaTeX Project Public License, either version 1.3 of this license or (at
+% your option) any later version. The latest version of this license is in:
+%
+% http://www.latex-project.org/lppl.txt
+%
+% and version 1.3 or later is part of all distributions of LaTeX version
+% 2005/12/01 or later.
+% ------------------------------------------------------------------------- \fi
+% \iffalse
+%<driver> \ProvidesFile{beamercolorthemeowl.dtx}
+%<*package>
+\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+\ProvidesPackage{beamercolorthemeowl}
+ [2016/03/14 v0.1 A visible colour theme for Beamer presentations]
+%</package>
+%
+%<*driver>
+\documentclass[12pt]{ltxdoc}
+\usepackage{beamercolorthemeowl}
+\usepackage[sfdefault, light]{FiraSans}
+\usepackage{FiraMono}
+\usepackage[parfill]{parskip}
+\usepackage{setspace}
+ \onehalfspacing
+\usepackage[colorlinks=true, linkcolor=OwlRed, urlcolor=OwlBlue]{hyperref}
+\usepackage{graphicx}
+\usepackage{geometry}
+\usepackage{listings}
+ \lstset{%
+ basicstyle=\ttfamily\small,
+ breaklines=true,
+ breakatwhitespace=true,
+ gobble=2,
+ aboveskip=1em,
+ belowskip=1em
+ }
+ \lstMakeShortInline|
+
+\usepackage{readprov}
+\ReadPackageInfos{beamercolorthemeowl}
+\begin{document}
+ \DocInput{beamercolorthemeowl.dtx}
+\end{document}
+%</driver>
+% \fi
+% \CheckSum{0}
+%
+%
+% \title{The \texttt{owl} Beamer colour theme}
+% \author{Ross Churchley\\ \texttt{ross@rosschurchley.com}}
+% \date{\fileversion, dated \filedate}
+%
+% \maketitle
+%
+% \begin{quote}\itshape
+% ``The effectiveness of a colour scheme is heavily dependent on the conditions
+% you present in. Colours that look nice on a computer screen may be
+% invisible projected; colours that stand out in a lit room may strain the
+% eyes in a dark room. If possible, you should carefully choose from Beamer's
+% wide variety of colour themes to find one that fits your presentation's
+% individual needs.''
+% \end{quote}
+%
+% The above paragraph would be excellent advice, except for one thing ---
+% only a handful of pre-selected colour themes are publicly available for
+% Beamer. The vast majority of Beamer presentations use one of the
+% \href{https://mpetroff.net/files/beamer-theme-matrix/}{built-in colour
+% themes}, which are effective in some conditions but inadequate in others.
+% The goal of this package is to reduce the number of situations you
+% find yourself without any good colour options. |owl| is a flexible dark or
+% light colour theme designed for maximum readability in environments where
+% most themes fall flat.
+%
+%
+% \clearpage
+% \singlespacing
+% \tableofcontents
+% \onehalfspacing
+%
+% \section{Usage}
+%
+% Once you have downloaded and installed the |beamercolorowl| package, using
+% it is a piece of cake:
+%
+% \begin{lstlisting}
+% \usecolortheme{owl}
+% \end{lstlisting}
+%
+% Unlike many Beamer themes, |owl| defaults to a ``dark'' theme with white
+% text on a black background.
+% This is particularly recommended for presentations with low ambient lighting,
+% where it has the most advantages (see Section~\ref{sec:bg}).
+%
+% If you expect to present in a brightly-lit room or with a weak projector,
+% you may wish to use to use the |snowy| option to use black text on a white
+% background:
+%
+% \begin{lstlisting}
+% \usecolortheme[snowy]{owl}
+% \end{lstlisting}
+%
+% In addition to setting the colour scheme of your slides, |owl| redefines the
+% redefines the basic colour names |red|, |green|, |blue|, |yellow|,
+% |violet|, |brown|, |orange|, and |cyan| to hues that are more visible when
+% when displayed by some projectors. If you do not want these colour names to
+% be redefined, use the |cautious| option when loading |owl|:
+%
+% \begin{lstlisting}
+% \usecolortheme[cautious]{owl}
+% \end{lstlisting}
+%
+% In either case, |owl|-defined colours will be available as |OwlRed|,
+% |OwlGreen|, |OwlBlue|, and so forth.
+%
+%
+%
+% \iffalse Package options
+ \RequirePackage{etoolbox}
+ \newtoggle{snowy}
+ \newtoggle{cautious}
+ \@ifclassloaded{beamer}{
+ \DeclareOptionBeamer{snowy}{\toggletrue{snowy}}
+ \DeclareOptionBeamer{cautious}{\toggletrue{cautious}}
+ \ProcessOptionsBeamer
+ }{}
+% \fi
+%
+%
+%
+% \section{The Background}
+% \label{sec:bg}
+%
+% \subsection{Dark background (default)}
+%
+% By default, |owl| is a dark colour theme. This isn't just because owls are
+% usually nocturnal --- a black background actually offers several advantages.
+%
+% \begin{itemize}
+% \item In low-light environments, a dark background helps to reduce
+% eye strain and focus attention on the content of your slides.
+% \item Laser pointers are more visible against dark backgrounds. It's also
+% easier to interact directly with your slides when the projector
+% isn't shining as bright a light at your eyes and body.
+% \item With a perfectly black background, there is no visual distinction
+% between the frame margin and the surrounding projector screen.
+% Because of this, less space needs to be dedicated to the margins of
+% each slide; you could afford to use a larger font size, say, to
+% increase visibility of the content.
+% \end{itemize}
+%
+% There are a few caveats to using a black background. First and foremost,
+% when applying a black background to an existing presentation, it is
+% important to check that your figures and charts look all right.
+% Diagrams created with TikZ or PGFPlots are easily adjusted to a new colour
+% scheme; images generated from external tools may need to be re-exported,
+% edited with an image editing program, or
+% \href{http://tex.stackexchange.com/questions/34110/}{preprocessed} with the
+% |convert| utility.
+%
+%
+% \subsection{Light background}
+%
+% If your presentation or environment prevent you from using a dark
+% background, but you still want to use the other colours in |owl|'s palette,
+% you can use the |snowy| option to switch to a light theme. (Snowy owls, of
+% course, are diurnal and have white plumage.)
+%
+% \begin{lstlisting}[title={\itshape Implementation}]
+ \@ifclassloaded{beamer}{
+ \iftoggle{snowy}{
+ \setbeamercolor{normal text}{fg=black, bg=white}
+ }{
+ \setbeamercolor{normal text}{fg=white, bg=black}
+ }
+ }{}
+% \end{lstlisting}
+%
+%
+%
+% \section{The Colours}
+%
+% The projectors I encounter regularly tend to have very bright green channels
+% and dim red and blue channels: the default |green| is sometimes so
+% bright as to be indistinguishable from white, while even pure |red| and
+% |blue| are still too dim to tell apart from black. The |owl| colour theme
+% provides a basic colour palette that attempts to compensate for this.
+%
+% \subsection{Primary colours}
+%
+% \begin{description}
+% \item[\textcolor{OwlBlue}{OwlBlue}]
+% is a greenish blue, bright enough to be legible on a dark
+% background.
+% \item[\textcolor{OwlGreen}{OwlGreen}]
+% is a darker green than the default, and with a slightly yellower hue
+% to help distinguish it from |OwlBlue|.
+% \item[\textcolor{OwlRed}{OwlRed}]
+% is a pinkish magenta, which combines the (individually dim) red and
+% blue channels on the projector to produce enough light to be legible.
+% \item[\textcolor{OwlYellow}{OwlYellow}]
+% is a gold colour of moderate brightness.
+% \end{description}
+%
+% In addition to being distinguishable from white and black, these colours have
+% been chosen to be as distinct as possible from one another. Even so, it is
+% always a good idea to take care when selecting colours for your presentation.
+% For audience members with red-green colour vision deficiencies, |OwlGreen|
+% and |OwlYellow| may be difficult to tell apart, while |OwlRed| may be
+% difficult to distinguish from light grey or white.
+%
+% \begin{lstlisting}[title={\itshape Implementation}]
+ \RequirePackage{xcolor}
+ \definecolor{OwlRed}{RGB}{ 255, 92, 168}
+ \definecolor{OwlGreen}{RGB}{ 90, 168, 0}
+ \definecolor{OwlBlue}{RGB}{ 0, 152, 233}
+ \definecolor{OwlYellow}{RGB}{ 242, 147, 24}
+% \end{lstlisting}
+%
+% \subsection{Secondary colours}
+%
+% The |owl| colour theme also provides names for certain combinations of the
+% above colours:
+% \textcolor{OwlViolet}{\bfseries OwlViolet},
+% \textcolor{OwlBrown}{\bfseries OwlBrown},
+% \textcolor{OwlOrange}{\bfseries OwlOrange}, and
+% \textcolor{OwlCyan}{\bfseries OwlCyan}.
+% These should be used sparingly; if possible, it is preferable to use only
+% two or three colours in a presentation.
+%
+% \begin{lstlisting}[title={\itshape Implementation}]
+ \colorlet{OwlViolet}{OwlRed!50!OwlBlue}
+ \colorlet{OwlBrown}{OwlRed!50!OwlGreen}
+ \colorlet{OwlOrange}{OwlRed!50!OwlYellow}
+ \colorlet{OwlCyan}{OwlGreen!50!OwlBlue}
+% \end{lstlisting}
+%
+%
+% \subsection{Redefines \LaTeX\ colours}
+%
+% Unless the |cautious| option is used, |owl| redefines the built-in colours
+% |red|, |green|, |blue|, |yellow|, |violet|, |brown|, |orange|, and |cyan|
+% to the above values. This allows you to create diagrams in TikZ or PGFPlots
+% that use |owl|'s legible colours in your presentation but are still easy
+% reuse in other contexts.
+%
+% \begin{lstlisting}[title={\itshape Implementation}]
+\iftoggle{cautious}{}{
+ \colorlet{red}{OwlRed}
+ \colorlet{green}{OwlGreen}
+ \colorlet{blue}{OwlBlue}
+ \colorlet{yellow}{OwlYellow}
+ \colorlet{violet}{OwlViolet}
+ \colorlet{brown}{OwlBrown}
+ \colorlet{orange}{OwlOrange}
+ \colorlet{cyan}{OwlCyan}
+}
+% \end{lstlisting}
+%
+%
+%
+% \section{Implementation: Beamer colour definitions}
+%
+% The Beamer colours set by |owl| all derive from the definitions of
+% |normal text|, |alerted text|, and |example text|. This makes it easy for
+% you to tweak the theme; for example, you can add
+% \begin{lstlisting}
+% \setbeamercolor*{alerted text}{fg=OwlBlue}
+% \setbeamercolor*{example text}{fg=OwlYellow}
+% \end{lstlisting}
+% to your preamble to change the highlight colours of the theme.
+%
+% \begin{lstlisting}
+ \@ifclassloaded{beamer}{
+ \setbeamercolor*{alerted text}{
+ fg=OwlRed
+ }
+ \setbeamercolor*{example text}{
+ fg=OwlGreen
+ }
+% \end{lstlisting}
+%
+% \subsection{Title page}
+% \begin{lstlisting}
+ \setbeamercolor*{title}{
+ use=normal text,
+ fg=normal text.fg
+ }
+ \setbeamercolor*{title in sidebar}{
+ use=normal text,
+ fg=normal text.fg
+ }
+ \setbeamercolor*{titlelike}{
+ use=normal text,
+ parent=normal text.fg
+ }
+ \setbeamercolor*{author}{
+ use=normal text,
+ parent=normal text.fg
+ }
+ \setbeamercolor*{date}{
+ use=normal text,
+ parent=normal text.fg
+ }
+ \setbeamercolor*{institute}{
+ use=normal text,
+ parent=normal text.fg
+ }
+% \end{lstlisting}
+%
+% \subsection{Palettes}
+% \begin{lstlisting}
+ \setbeamercolor*{structure}{
+ use=normal text,
+ fg=normal text.fg!50!normal text.bg
+ }
+ \setbeamercolor*{palette primary}{
+ use=normal text,
+ fg=normal text.fg!90!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{palette secondary}{
+ use=normal text,
+ fg=alerted text.fg!75!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{palette tertiary}{
+ use=normal text,
+ fg=example text.fg!75!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{palette quaternary}{
+ use=normal text,
+ fg=normal text.fg!75!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{sidebar}{
+ use=normal text,
+ fg=normal text.fg!80!normal text.bg,
+ bg=normal text.bg!80!normal text.fg
+ }
+ \setbeamercolor*{palette sidebar primary}{
+ use=palette primary,
+ parent=palette primary
+ }
+ \setbeamercolor*{palette sidebar secondary}{
+ use=palette primary,
+ parent=palette primary
+ }
+ \setbeamercolor*{palette sidebar tertiary}{
+ use=palette quaternary,
+ parent=palette quaternary
+ }
+ \setbeamercolor*{palette sidebar quaternary}{
+ use=palette quaternary,
+ parent=palette quaternary
+ }
+ \setbeamercolor*{frametitle}{
+ use=palette primary,
+ parent=palette primary
+ }
+% \end{lstlisting}
+%
+% \subsection{Blocks}
+% \begin{lstlisting}
+ \setbeamercolor*{block title}{
+ use=normal text,
+ fg=normal text.fg,
+ bg=
+ }
+ \setbeamercolor{block body}{
+ bg=
+ }
+ \setbeamercolor*{block title alerted}{%
+ use={block title, alerted text},
+ fg=alerted text.fg,
+ bg=block title.bg
+ }
+ \setbeamercolor*{block title example}{%
+ use={block title, example text},
+ fg=example text.fg,
+ bg=block title.bg
+ }
+ \setbeamercolor*{block body alerted}{
+ use=block body,
+ parent=block body
+ }
+ \setbeamercolor*{block body example}{
+ use=block body,
+ parent=block body
+ }
+% \end{lstlisting}
+%
+%
+% \subsection{Tweaks to Beamer}
+%
+% Since |owl| does not set a background colour for |block| environments,
+% it also prevents the built-in themes from adding drop shadows to blocks.
+% Finally, |owl| fixes a pet peeve of mine and disables the navigation symbols
+% that often appear at the bottom right of Beamer presentations.
+%
+% \begin{lstlisting}
+ \def\beamer@themerounded@shadow{false}
+ \setbeamertemplate{navigation symbols}{}
+ }{}
+% \end{lstlisting}
+%
+%
+%
+% \section{License and contributions}
+%
+% |owl| may be distributed and/or modified under the conditions of the
+% \href{http://www.latex-project.org/lppl.txt}{LaTeX Project Public License}
+% version 1.3 or later. The Current Maintainer of this work is Ross Churchley
+% (|ross@rosschurchley.com|), who welcomes contributions to the package
+% \href{https://github.com/rchurchley/beamercolortheme-owl}{on GitHub}.
+%
+% The goal of |owl| is to provide colours that are as visible as possible,
+% even in unfavourable presenting conditions. This can be challenging to test
+% with only one pair of eyes and a handful of projectors!
+% If you have used |owl| or seen it used, we would greatly appreciate your
+% opinion on how it performed. Please open a GitHub Issue or privately email
+% the Current Maintainer with as much of the following information as you can:
+%
+% \begin{itemize}
+% \item The version of |owl| used.
+% \item The Beamer theme, if any, that was used together with |owl|.
+% \item Whether |owl| was used as a dark or light theme.
+% \item Details on the room (auditorium, large room, small room, \ldots)
+% \item Details on the lighting conditions (brightly lit, dark, windows,
+% \ldots)
+% \item Details, if known, on the reporter's vision (glasses, colour
+% deficiencies, \ldots)
+% \item Your opinion on:
+% \begin{itemize}
+% \item whether normal text was visible against the background.
+% \item whether the provided colours (|OwlRed|, |OwlBlue|, etc) were
+% legible against the background.
+% \item whether the provided colours (|OwlRed|, |OwlBlue|, etc) were
+% distinguishable from each other and from the normal text
+% colour.
+% \end{itemize}
+% \end{itemize}
+%
+% We also welcome technical feedback and bug reports in the form of
+% GitHub Issues and pull requests.
+%
+%
+% \clearpage
+% \newgeometry{margin=1in}
+% \section{Examples}
+%
+% \begin{center}
+% \textit{Pittsburgh}
+%
+% \includegraphics[scale=0.2]{ex/Pittsburgh-dark/Pittsburgh-owl-1.png}
+% \includegraphics[scale=0.2]{ex/Pittsburgh-dark/Pittsburgh-owl-2.png}
+%
+% \textit{Hannover}
+%
+% \includegraphics[scale=0.2]{ex/Hannover-dark/Hannover-owl-1.png}
+% \includegraphics[scale=0.2]{ex/Hannover-dark/Hannover-owl-2.png}
+%
+% \href{https://github.com/matze/mtheme}{\itshape metropolis}
+%
+% \includegraphics[scale=0.2]{ex/metropolis-dark/metropolis-owl-1.png}
+% \includegraphics[scale=0.2]{ex/metropolis-dark/metropolis-owl-2.png}
+%
+% \clearpage
+%
+% \textit{Pittsburgh} (|snowy owl|)
+%
+% \includegraphics[scale=0.2]{ex/Pittsburgh-light/Pittsburgh-owl-1.png}
+% \includegraphics[scale=0.2]{ex/Pittsburgh-light/Pittsburgh-owl-2.png}
+%
+% \textit{Hannover} (|snowy owl|)
+%
+% \includegraphics[scale=0.2]{ex/Hannover-light/Hannover-owl-1.png}
+% \includegraphics[scale=0.2]{ex/Hannover-light/Hannover-owl-2.png}
+%
+% \href{https://github.com/matze/mtheme}{\itshape metropolis} (|snowy owl|)
+%
+% \includegraphics[scale=0.2]{ex/metropolis-light/metropolis-owl-1.png}
+% \includegraphics[scale=0.2]{ex/metropolis-light/metropolis-owl-2.png}
+% \end{center}
+%
+% \restoregeometry
+% \clearpage
+%
+% \iffalse
+ \ProcessOptions
+% \fi
+% \Finale
+\endinput
diff --git a/Master/texmf-dist/source/latex/beamercolorthemeowl/beamercolorthemeowl.ins b/Master/texmf-dist/source/latex/beamercolorthemeowl/beamercolorthemeowl.ins
new file mode 100644
index 00000000000..acf4db3d7f0
--- /dev/null
+++ b/Master/texmf-dist/source/latex/beamercolorthemeowl/beamercolorthemeowl.ins
@@ -0,0 +1,58 @@
+%% ---------------------------------------------------------------------------
+%% Copyright 2016 Ross Churchley. Contributions to this package are welcome at
+%%
+%% https://github.com/rchurchley/beamercolortheme-owl
+%%
+%% This work may be distributed and/or modified under the conditions of the
+%% LaTeX Project Public License, either version 1.3 of this license or (at
+%% your option) any later version. The latest version of this license is in:
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% and version 1.3 or later is part of all distributions of LaTeX version
+%% 2005/12/01 or later.
+%% ---------------------------------------------------------------------------
+
+\input{docstrip.tex}
+\keepsilent
+\askforoverwritefalse
+\usedir{tex/latex/beamercolorthemeowl}
+
+\preamble
+---------------------------------------------------------------------------
+Copyright 2016 Ross Churchley. Contributions to this package are welcome at
+
+ https://github.com/rchurchley/beamercolortheme-owl
+
+This work may be distributed and/or modified under the conditions of
+the LaTeX Project Public License, either version 1.3 of this license
+or (at your option) any later version. The latest version of this
+license is in:
+
+ http://www.latex-project.org/lppl.txt
+
+and version 1.3 or later is part of all distributions of LaTeX version
+2005/12/01 or later.
+---------------------------------------------------------------------------
+\endpreamble
+
+\generate{\file{beamercolorthemeowl.sty}{%
+ \from{beamercolorthemeowl.dtx}{package}}
+ }
+
+\obeyspaces
+\Msg{**************************************************************}
+\Msg{* *}
+\Msg{* To finish the installation you have to move the following *}
+\Msg{* files into a directory searched by TeX: *}
+\Msg{* *}
+\Msg{* beamercolorthemeowl.sty *}
+\Msg{* *}
+\Msg{* To produce the documentation run the file *}
+\Msg{* beamercolorthemeowl.dtx through LaTeX. *}
+\Msg{* *}
+\Msg{* Happy TeXing! *}
+\Msg{* *}
+\Msg{**************************************************************}
+
+\endbatchfile
diff --git a/Master/texmf-dist/tex/latex/beamercolorthemeowl/beamercolorthemeowl.sty b/Master/texmf-dist/tex/latex/beamercolorthemeowl/beamercolorthemeowl.sty
new file mode 100644
index 00000000000..d81bdaaed9b
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/beamercolorthemeowl/beamercolorthemeowl.sty
@@ -0,0 +1,172 @@
+%%
+%% This is file `beamercolorthemeowl.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% beamercolorthemeowl.dtx (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2016 Ross Churchley. Contributions to this package are welcome at
+%%
+%% https://github.com/rchurchley/beamercolortheme-owl
+%%
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3 of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in:
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% and version 1.3 or later is part of all distributions of LaTeX version
+%% 2005/12/01 or later.
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+\ProvidesPackage{beamercolorthemeowl}
+ [2016/03/14 v0.1 A visible colour theme for Beamer presentations]
+ \RequirePackage{etoolbox}
+ \newtoggle{snowy}
+ \newtoggle{cautious}
+ \@ifclassloaded{beamer}{
+ \DeclareOptionBeamer{snowy}{\toggletrue{snowy}}
+ \DeclareOptionBeamer{cautious}{\toggletrue{cautious}}
+ \ProcessOptionsBeamer
+ }{}
+ \@ifclassloaded{beamer}{
+ \iftoggle{snowy}{
+ \setbeamercolor{normal text}{fg=black, bg=white}
+ }{
+ \setbeamercolor{normal text}{fg=white, bg=black}
+ }
+ }{}
+ \RequirePackage{xcolor}
+ \definecolor{OwlRed}{RGB}{ 255, 92, 168}
+ \definecolor{OwlGreen}{RGB}{ 90, 168, 0}
+ \definecolor{OwlBlue}{RGB}{ 0, 152, 233}
+ \definecolor{OwlYellow}{RGB}{ 242, 147, 24}
+ \colorlet{OwlViolet}{OwlRed!50!OwlBlue}
+ \colorlet{OwlBrown}{OwlRed!50!OwlGreen}
+ \colorlet{OwlOrange}{OwlRed!50!OwlYellow}
+ \colorlet{OwlCyan}{OwlGreen!50!OwlBlue}
+\iftoggle{cautious}{}{
+ \colorlet{red}{OwlRed}
+ \colorlet{green}{OwlGreen}
+ \colorlet{blue}{OwlBlue}
+ \colorlet{yellow}{OwlYellow}
+ \colorlet{violet}{OwlViolet}
+ \colorlet{brown}{OwlBrown}
+ \colorlet{orange}{OwlOrange}
+ \colorlet{cyan}{OwlCyan}
+}
+ \@ifclassloaded{beamer}{
+ \setbeamercolor*{alerted text}{
+ fg=OwlRed
+ }
+ \setbeamercolor*{example text}{
+ fg=OwlGreen
+ }
+ \setbeamercolor*{title}{
+ use=normal text,
+ fg=normal text.fg
+ }
+ \setbeamercolor*{title in sidebar}{
+ use=normal text,
+ fg=normal text.fg
+ }
+ \setbeamercolor*{titlelike}{
+ use=normal text,
+ parent=normal text.fg
+ }
+ \setbeamercolor*{author}{
+ use=normal text,
+ parent=normal text.fg
+ }
+ \setbeamercolor*{date}{
+ use=normal text,
+ parent=normal text.fg
+ }
+ \setbeamercolor*{institute}{
+ use=normal text,
+ parent=normal text.fg
+ }
+ \setbeamercolor*{structure}{
+ use=normal text,
+ fg=normal text.fg!50!normal text.bg
+ }
+ \setbeamercolor*{palette primary}{
+ use=normal text,
+ fg=normal text.fg!90!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{palette secondary}{
+ use=normal text,
+ fg=alerted text.fg!75!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{palette tertiary}{
+ use=normal text,
+ fg=example text.fg!75!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{palette quaternary}{
+ use=normal text,
+ fg=normal text.fg!75!normal text.bg,
+ bg=normal text.bg!90!normal text.fg
+ }
+ \setbeamercolor*{sidebar}{
+ use=normal text,
+ fg=normal text.fg!80!normal text.bg,
+ bg=normal text.bg!80!normal text.fg
+ }
+ \setbeamercolor*{palette sidebar primary}{
+ use=palette primary,
+ parent=palette primary
+ }
+ \setbeamercolor*{palette sidebar secondary}{
+ use=palette primary,
+ parent=palette primary
+ }
+ \setbeamercolor*{palette sidebar tertiary}{
+ use=palette quaternary,
+ parent=palette quaternary
+ }
+ \setbeamercolor*{palette sidebar quaternary}{
+ use=palette quaternary,
+ parent=palette quaternary
+ }
+ \setbeamercolor*{frametitle}{
+ use=palette primary,
+ parent=palette primary
+ }
+ \setbeamercolor*{block title}{
+ use=normal text,
+ fg=normal text.fg,
+ bg=
+ }
+ \setbeamercolor{block body}{
+ bg=
+ }
+ \setbeamercolor*{block title alerted}{%
+ use={block title, alerted text},
+ fg=alerted text.fg,
+ bg=block title.bg
+ }
+ \setbeamercolor*{block title example}{%
+ use={block title, example text},
+ fg=example text.fg,
+ bg=block title.bg
+ }
+ \setbeamercolor*{block body alerted}{
+ use=block body,
+ parent=block body
+ }
+ \setbeamercolor*{block body example}{
+ use=block body,
+ parent=block body
+ }
+ \def\beamer@themerounded@shadow{false}
+ \setbeamertemplate{navigation symbols}{}
+ }{}
+ \ProcessOptions
+\endinput
+%%
+%% End of file `beamercolorthemeowl.sty'.
diff --git a/Master/tlpkg/bin/tlpkg-ctan-check b/Master/tlpkg/bin/tlpkg-ctan-check
index b90b2224257..98b69cd3dcf 100755
--- a/Master/tlpkg/bin/tlpkg-ctan-check
+++ b/Master/tlpkg/bin/tlpkg-ctan-check
@@ -71,7 +71,7 @@ my @TLP_working = qw(
basque-book basque-date
bbcard bbding bbm bbm-macros bbold bbold-type1 bchart bclogo
beamer beamer2thesis beamer-FUBerlin beamer-tut-pt beamer-verona
- beameraudience beamerdarkthemes beamerposter
+ beameraudience beamercolorthemeowl beamerdarkthemes beamerposter
beamersubframe beamertheme-detlevcm beamertheme-metropolis
beamertheme-phnompenh beamertheme-upenn-bc
beamerthemejltree
diff --git a/Master/tlpkg/tlpsrc/beamercolorthemeowl.tlpsrc b/Master/tlpkg/tlpsrc/beamercolorthemeowl.tlpsrc
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/Master/tlpkg/tlpsrc/beamercolorthemeowl.tlpsrc
diff --git a/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc b/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc
index 10c46c75824..b3f63ad7b78 100644
--- a/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc
+++ b/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc
@@ -59,6 +59,7 @@ depend basicarith
depend bchart
depend beamer2thesis
depend beameraudience
+depend beamercolorthemeowl
depend beamerdarkthemes
depend beamerposter
depend beamersubframe