circular_text.tex

%% Inspired from http://www.texample.net/tikz/examples/circular-arrows-text/

\PassOptionsToPackage{dvipsnames}{xcolor}
\documentclass[tikz,border=10pt]{standalone}
\usetikzlibrary{decorations.text}
\usepackage{libertine}




\newcommand*{\mytextstyle}{\sffamily\Large\bfseries\color{blue!85}}


\newcommand{\arcarrow}[8]{%
% inner radius, middle radius, outer radius, start angle,
% end angle, tip protusion angle, options, text
  \pgfmathsetmacro{\rin}{#1}
  \pgfmathsetmacro{\rmid}{#2}
  \pgfmathsetmacro{\rout}{#3}
  \pgfmathsetmacro{\astart}{#4}
  \pgfmathsetmacro{\aend}{#5}
  \pgfmathsetmacro{\atip}{#6}
  % \fill[#7] (\astart:\rin) arc (\astart:\aend:\rin)
  %      -- (\aend+\atip:\rmid) -- (\aend:\rout) arc (\aend:\astart:\rout)
  %      -- (\astart+\atip:\rmid) -- cycle;

  \path[font = \sffamily, decoration = {text along path, text = {|\mytextstyle|#8},
    text align = {align = center}, raise = -0.5ex}, decorate]
    (\astart+\atip:\rmid) arc (\astart+\atip:\aend+\atip:\rmid);
}

\begin{document}

\begin{tikzpicture}


\fill[even odd rule,red!30] circle (4.5) circle (5.5);
\arcarrow{3}{5}{3}{225}{135}{0}{red,draw = red!50!black, very thick}{Theme A};
\arcarrow{3}{5}{3}{45}{-45}{0}{red,draw = red!50!black, very thick}{Theme C};
\arcarrow{3}{5}{3}{225}{315}{0}{red,draw = red!50!black, very thick}{Theme B};


\end{tikzpicture}
\end{document}