\begin{tikzpicture}
\draw[fill=gray!45] (0,0) rectangle (8,1) node[anchor=base] at(4,0.35) {Ein Rechteck};
\draw[fill=orange!60] (0,1) rectangle (8,2 )node[anchor=base] at(4,1.35) {Noch ein Rechteck};
\draw[fill=white] (0,2) rectangle (4,3) node[anchor=base] at(2,2.35) {linke H\"alfte};
\draw[fill=white] (4,2) rectangle (8,3) node[anchor=base] at(6,2.35) {rechte H\"alfte};
\end{tikzpicture}