Avec l'extension `tabularray` : \documentclass[french, a4paper, 12pt]{article} \usepackage{xcolor} \usepackage{tabularray} \begin{document} \begin{tblr}{ hlines,vlines, cells={halign=c} } A&B&C\\ \SetRow{bg=green} 1&2&3\\ x&y&z\\ \end{tblr} \end{document}\end{document} ![alt text][1] [1]: https://texnique.fr/osqa/upfiles/Screenshot_2025-11-12_at_20.19.28.png

\documentclass[french, a4paper, 12pt]{article} \usepackage{xcolor} \usepackage{tabularray} \begin{document} \begin{tblr}{ hlines,vlines, cells={halign=c} } A&B&C\\ \SetRow{bg=green} 1&2&3\\ x&y&z\\ \end{tblr} \end{document}