That would depend on what the dresses looked like.
I think a green dress would be better suited for a wedding.
Green dress if it is a morning or afternoon wedding. Black if it is an evening wedding.
For a summer wedding, I'm thinking the green but it all depends on the style of it and how thick the material is.
These are the best Images of Worlds' best bridesmaid dresses on google images! So times' ran out. Wedding's already over. Its now August you missed it! I would choose any one.