Flower dilemma

I'm having both of those, but with the smaller white mischief roses.

....oh and some bouquets with blue delphiniums

You could have both? I always feel that if you go for ivory flowers with an ivory dress, you do need some foliage in with it as a backdrop between the flowers and your dress otherwise they will disappear in the photos. To give you an idea of what both look like together, I've just finished a rose and hydrangea in midnight blue:-

And here's another one I've done with paler blue and roses:- Both are artificial flowers.