Colored sample table

gistfile1.tex

\begin{table}
  \caption{Table caption}
  \centering
  \rowcolors{1}{loco3blue!17}{loco3blue!7}
  \begin{tabular}{l | r r | r r}
        & \multicolumn{2}{>{\columncolor{loco3blue!17}}c|}{A} & \multicolumn{2}{>{\columncolor{loco3blue!17}}c}{B} \\
    Foo & 1 & 2 & 1 & 2\\
    \hline
      1 & a & b & c & d\\
    \hline
  \end{tabular}
\end{table}