+\documentclass{article}
+\usepackage{web}
+\margins{0pt}{0pt}{0pt}{0pt} %% Kein Seitenrand
+\screensize{150mm}{300mm} %% Dimensionen: H\"{o}he, Breite des Dokuments
+
+\parindent0pt
+
+\usepackage{pstricks,pstricks-add}
+
+\definecolor{irelandOrange}{HTML}{FF7900}
+\definecolor{irelandGreen}{HTML}{009A49}
+
+\begin{document}
+
+\thispagestyle{empty}
+
+\begin{pspicture}(0,0)(30,15)
+%% Flagge (Verh\"{a}ltnis 2 Breite : 1 H\"{o}he)
+\psframe[linecolor=irelandGreen,fillstyle=solid,fillcolor=irelandGreen](0,0)(10,15)
+\psframe[linecolor=white,fillstyle=solid,fillcolor=white](10,0)(20,15)
+\psframe[linecolor=irelandOrange,fillstyle=solid,fillcolor=irelandOrange](20,0)(30,15)
+
+\end{pspicture}
+\end{document}