Classic white always works. If you want to get courageous there ia textured while cloth that give the shirt some interest, but it's still white so no chance of being avant garde. Any good men's store should have young fellows prepared to fix you up with some ensembles. They are likely off duty marines, so they know their fashion,
Since being in Europe a few times in the past couple of years I've taken to wearing a scarf in the winter. I like it.