Voici une solution. \documentclass{article \usepackage{xcolor} \newcounter{xcolor} \renewcommand{\thexcolor}{% \ifcase\value{xcolor}% black\or %0 green\or %1 blue\or %2 yellow\or %3 purple\or %4 red\fi} %5 \newcommand{\mtvert}{\setcolorvalue{1}} \newcommand{\mtblue}{\setcolorvalue{2}} \newcommand{\mtyellow}{\setcolorvalue{3}} \newcommand{\mtpurple}{\setcolorvalue{4}} \newcommand{\mtred}{\setcolorvalue{5}} \newcommand\setcolorvalue[2]{% \ifnum\value{xcolor}<#1\relax \setcounter{xcolor}{#1}\fi {\color{\thexcolor}#2}% \setcounter{xcolor}{0}} \begin{document} Bonjour le monde \mtvert{Bonjour le monde} \mtvert{\mtred{Bonjour le monde} Hello World!} Bonjour le monde \mtred{\mtvert{Bonjour le monde}} \mtblue{\mtvert{Bonjour le monde}} \mtvert{\mtblue{Bonjour le monde}} \mtblue{\mtyellow{\mtvert{Bonjour le monde}} Hello World!} \mtred{\mtblue{Bonjour le monde}} \end{document}

Voici une solution. \documentclass{article \usepackage{xcolor} \newcounter{xcolor} \renewcommand{\thexcolor}{% \ifcase\value{xcolor}% black\or %0 green\or %1 blue\or %2 yellow\or %3 purple\or %4 red\fi} %5 \newcommand{\mtvert}{\setcolorvalue{1}} \newcommand{\mtblue}{\setcolorvalue{2}} \newcommand{\mtyellow}{\setcolorvalue{3}} \newcommand{\mtpurple}{\setcolorvalue{4}} \newcommand{\mtred}{\setcolorvalue{5}} \newcommand\setcolorvalue[2]{% \ifnum\value{xcolor}<#1\relax \setcounter{xcolor}{#1}\fi {\color{\thexcolor}#2}% \setcounter{xcolor}{0}} \begin{document} Bonjour le monde \mtvert{Bonjour le monde} \mtvert{\mtred{Bonjour le monde} Hello World!} Bonjour le monde \mtred{\mtvert{Bonjour le monde}} \mtblue{\mtvert{Bonjour le monde}} \mtvert{\mtblue{Bonjour le monde}} \mtblue{\mtyellow{\mtvert{Bonjour le monde}} Hello World!} \mtred{\mtblue{Bonjour le monde}} \end{document}