BM Dresses! (Advice/suggestions pretty please!)

So, I went shopping yesterday with 2 of my BMs (have 5 in all) for the BM Dresses. Let me start off by saying that originally I had wanted eggplant dresses for the BMs and also use white and green as accent colors with the flowers. So, we found a dress that the 3 of us LOVED and looked gorgeous on each of them. It was cute - the two girls were so happy in the dress. So now that we found 'the dress' for them - I took a look at the color swatches - and yep...you guessed it - the dress doesnt come in eggplant. The purple that it comes in is a really bright purple (totally not the color I wanted at all). So, now we took a look at some of the other colors - and I am highly considering changing the color of the BM dress to an olive green. The green looks gorgeous on the complexion of each of my girls (all have blonde hair and blue or blue/green eyes). Now, my question is - since I am getting married next year Memorial Day weekend - do you think the olive color would go for that time of year? I was thinking about still using white as an accent color and also lavender as well... I also tried on my wedding dress with one of my girls standing next to me with the olive dress on and the two colors looked nice next to each other (my dress is ivory). Oh, and also, the wedding is at night and black tie optional.

Here is the website for the dress....the color on the website is no where near the color of the dress - so don't let that sway you...

TIA ladies!!

http://www.priscillaofboston.com/dress_detail.jsp?gid=47&sfid=51013&f=

I am getting married in May as well, and my colors are white and green. I think these are great colors for May. looks very spring like - flowering, nature, etc.
the dress is very beautiful and IMO will look great in olive green
HTH