\documentclass{article}
\usepackage{xparse}
\usepackage{tcolorbox}

\NewDocumentCommand{\maplebox}{ O{blue} m}{%
\color{#1}{#2}%
}

\usepackage{xepersian}
\begin{document}
\maplebox{فرشاد}
\\\maplebox[red]{ترابی}
\\\maplebox[green]{متنی دیگر}
\end{document}