\definecolor{blueSky}{rgb}{.10,.25,.28}
\definecolor{blueBis}{rgb}{0,0.05,1}
\definecolor{cyan}{rgb}{0,1,1}
\definecolor{cyanBis}{rgb}{0.03,0.56,.68}
\definecolor{blueLight}{rgb}{0.222,0.789,1}
\definecolor{cyan}{rgb}{0,1,1}
\definecolor{monyellow}{rgb}{1,1,0}

\newcommand{\colorKeyword}{\color{blueLight}}
\newcommand{\colorHeading}{\color{blueLight}}
\newcommand{\colorItem}{\color{blueLight}}
\newcommand{\colorExercice}{\color{blueLight}}
\newcommand{\colorYellow}{\color{monyellow}}