Do you recall what colors she had in her wedding? That would be a good indicator to some of her fave colors. Also, type of wedding might help as to her "style" was it casual and laid back or more formal? I don't know.. just what I've seen from the weddings I've helped with and been a part.
OTN: my first attempt at any type of mitten - doing fingerless
Oh...and I'm heajames on Ravelry