Nahh, you don't have to match at all! my colors are turquoise blie and white. and we ordered the BM dresses online, and one of the dresses came back a light blue, the others are turquoise.. and the dress company won't refund, so we are stuck with it.. Soo we had to adjust our theme to being different shades of blue.. i am not too worried, althought i was upset at first.. people have a point! those are just the little things that in the end, really don't matter! It is your day! and no matter what it will be beautiful!