LaTeX Forum

\documentclass{article}
\usepackage{lmodern}
\usepackage[ngerman]{babel}
\usepackage[paperwidth=48mm,paperheight=69mm,margin=7mm,nomarginpar,noheadfoot]{geometry}
\usepackage[HTML]{xcolor}
\usepackage[verbose]{datatool}
\usepackage[12pt]{moresize} %HUGE
\usepackage[T1]{fontenc}
\usepackage{tcolorbox}
\usepackage{helvet}
\usepackage{ifthen}
\usepackage{rotating}
\usepackage{pdfpages}

\pagestyle{empty}
\tcbuselibrary{skins}

\renewcommand\familydefault{\sfdefault}

\definecolor{r}{HTML}{D41E00} %Red
\definecolor{o}{HTML}{F6A21E} %Orange


\begin{document}

\begin{tcolorbox}
[bicolor,colback=o,colbacklower=r,colframe=black,width=34mm,height=55mm,arc=3mm,valign=center,halign=center,overlay={\node[anchor=south east,rotate=90,font=\tiny] 
    at ([xshift=-0.2mm,yshift=-32mm]frame.north east){This ist ein text};}]

\huge {oben}

\tcblower

\huge {unten}

\end{tcolorbox}

\end{document}

\documentclass{article}
\usepackage{lmodern}
\usepackage[ngerman]{babel}
\usepackage[paperwidth=48mm,paperheight=69mm,margin=7mm,nomarginpar,noheadfoot]{geometry}
\usepackage[HTML]{xcolor}
\usepackage[verbose]{datatool}
\usepackage[12pt]{moresize} %HUGE
\usepackage[T1]{fontenc}
\usepackage{tcolorbox}
\usepackage{helvet}
\usepackage{ifthen}
\usepackage{rotating}
\usepackage{pdfpages}

\pagestyle{empty}
\tcbuselibrary{skins}

\renewcommand\familydefault{\sfdefault}


\begin{document}


\end{document}