"And my sister and I used to argue about our colours for the days of the week - my Wednesday is a lemony-yellow with angles in the middle of it, hers is green.
"Brian Perkins, the BBC Radio Four newsreader, has an amazingly rich, chocolatey-brown voice. "Yet 'Perkins' is a rather wishy-washy yellow-green, so I always forget his surname."
"I had a wonderful sneeze once, from someone sitting behind me in a concert. It was a really lovely turquoise that came across my shoulder in a triangular sheet."
(I once mentally associated letters of the alphabet with colours (A, E and M were red, B and F were green and C was yellow), though I think that originated in a set of wooden blocks I had as an infant.)