As a counterpoint to such details as ruffly flowers in blush-pinks arrayed in tabletop clusters of impromptu brass vases, Dash and Mapes, a graphic designer, made watercolor save-the-dates and invitations, as well as escort cards, menus, and dip-dyed table runners in muted shades of indigo. ???It felt like us???a mix of our urban aesthetic and a 1920s garden party,??? Dash says.