Groom and groomsmen in grey! Possibly with navy ties, if it looked good.
A simple rose boutonniere wrapped in white satin - groomsmen.
Love grey suits for the guys! Especially for a summer wedding!
Light grey groomsmen for a summery/ spring wedding.
Ten Most Gorgeous Navy Blue Wedding Color Palette Ideas For 2016 navy blue and silver wedding color ideas and pocket wedding invitations
Non-Floral Boutonniere for the Groom, Photography by Erich McVey
For the 'Groom': Light Grey Suit, Light Blue Tie
A little too formal but I love the color scheme: Dark Grey Suit for the Groom and Light Grey Suit for the Groomsmen