Option #1 : Pare down Brights!
Grey is a fantastic neutral which works as an alternative to "too harsh" black (e.g. Shopbop's pairing of black sandals with the purple Thakoon, IMO) or "too bling" metallics.
*From Left: Stella McCartney Asymmetric Dress; Thakoon Slouchy Dress; Donna Karen Spring Coat - similar here
Option #2 : Blend with Monotones
Little strappy sandals can look a little precious sometimes - For the girls who love their tanks and cargos, try the Georgina Goodman with black shorts and a white men's shirt for a casual yet tailored look!
*For inspiration.... From Left: Phi Resort 2009; Phillip Lim Resort 2009