(..) to care about what you put on your back. But what you don't know is that that sweater is not just blue. It's not turquoise. It's not lapis. It's actually cerulean. And you're also blithely unaware of the fact... that in , Oscar de la Renta did a collection of cerulean gowns. And then I think it was Yves Saint Laurent- wasn't it- who showed cerulean military jackets? - I think we need a jacket here. - Mmm. And then cerulean quickly showed up in the collections of eight different designers. And then it, uh, filtered down (..)