"So in we came, and Uranus grew in the now-familiar way, looking mauve and lavender and mother-of-pearl..." p379

"... day turns to night, by way of the most lurid sunset they have yet seen, fuchsia clouds blazing in a pale sky that is lemon over the black horizon, bending into green above that, then higher still a blue some say is called cyan blue, and over that an indigo that spreads all the way over their skylight to the east. All these intense transparent colors are there at once, and yet none of their Terran hosts are taking the slightest notice..." p417

"The whole country was lighted by a searing light with the intensity many times that of the midday sun. It was golden, purple, violet, gray and blue. It lighted every peak, crevasse and ridge of the nearby mountain range with a clarity and beauty that cannot be described but must be seen to be imagined. It was that beauty the great poets dream about but describe most poorly and inadequately." — Brigadier General Thomas F. Farrell

"It was so brilliant purple, with all the radioactive glowing." — Frank Oppenheimer

"... there was an enormous ball of fire which grew and grew and it rolled as it grew; it went up into the air, in yellow flashes and into scarlet and green." — Isidor I. Rabi

(And Hiroshima: "The mushroom cloud itself was a spectacular sight, a bubbling mass of purple-gray smoke and you could see it has a red core in it and everything was burning inside..." — Staff Sergeant George Caron)

Japanese colour terms (search for the word colour to find them)

Japanese traditional colour names

Japanese Color Guide

Hungarian has two words for red

Postage stamp colour names

sinople means both "red" and "green"

Australian Aboriginal artist Minnie Pwerle

Imaging of connectivity in the synaesthetic brain at the blog Neurophilosophy; more at the blog Madam Fathom.

'Can anyone hear that picture?', BBC News, 7 August 2008.