Blue seems to be a good "bridge" color. I like Neal's idea of the lavender as well.
I used to just plant things at random with no thought given to color harmony. Now I try to !
That Veranda series of roses is really nice if you need a smaller rose that isn't a "miniature". I'm going to look for more of them.
Jolie has such perfect traditional shaped blooms and the fragrance is very nice as well. The one I have blooms in clusters as well as singles. The blooms last well over a week (for me, anyway) and the thorniness appears to be minimal. I rarely cut the blooms for a vase so I don't know how long their vase life is.