Blue and black. Still a pretty hideous dress though. I don't see any mileage in anyone wearing it, because if the thing which people remember about the dress is not knowing for sure what colour it is, then you're doing it wrong.
Having said that, looking at the official page it doesn't look too bad. Internet clothes shopping is a risky business that I've been stung by before, so still not sold. Nice lace pattern on it, I'll give it that.







