A simple rose boutonniere wrapped in white satin - groomsmen.
Groom and groomsmen in grey! Possibly with navy ties, if it looked good.
Ten Most Gorgeous Navy Blue Wedding Color Palette Ideas For 2016 navy blue and silver wedding color ideas and pocket wedding invitations
Light grey groomsmen for a summery/ spring wedding.
Love grey suits for the guys! Especially for a summer wedding!
Grey suit and blue polka dot tie