I'm fairly sure that the colours are gone. If they are not, they are going! Another of those "must check" things.
Nautilus isn't actually devoid of colour. Even though I quite like its richness, it will fade with time although I'm not so sure that it will develop a graceful patina.
For now, this is one of my favourite building photographs, which explains why I've used it on my other blog as well, but that's because it made it onto the judges "long list" in a recent photo competition.
I do like the design of the place.