And even if they can work that out, can they really understand what is behind the ITV Evening News's deep blue, purple, red and orange?

BBC: By BBC News Online's Giles Wilson

He stuck mostly with pant suits, wool shift or trapeze dresses and coats in solids, accented with a sprinkling of white-and-black stripes and large leaf prints in autumnal red, orange-red, green, purple and a rich deep blue.

WSJ: Friendships bubble up at NY Fashion Week

Beyond, purple-shaded mountains rise from the deep blue mist like ships floating on water.

BBC: A tranquil slice of Tanzania