My twins boys are graduating from high school in June. We've purchased their suits and shirts for the grad dinner/dance but we need some guidance on how to finish off the look.

Twin 'A': His suit is a dark charcoal gray suit with a very pale purple shirt. He is thinking of black shoes. What colour tie would pull it all together? Something like this:

http://media-cache-ak0.pinimg......2405d0.jpg

Twin 'B': His suit is a blue (not dark navy and not light blue) with a crisp white shirt. He wants to wear brown shoes. I'm a little lost on tie colour for this one? Something like this:

http://media-cache-ec0.pinimg......d517a2.jpg

Needing advice from the fashionistas, please.