Working on the listings section in the back of an exhibition brochure.
ad boy: The client says their logo is white, is that ok?
me: ok, what colour do they want it to go on?
ad boy: White I think.
me: Mate, you can't see white on white, go and phone them, ask them what colour
they want the background.
ten minutes later...
ad boy (on phone to client): Would you prefer to have it on a coloured background
as it might not read so well on white? No? Oh, ok then, white it is...