This is part of the complete Exercises in Song cycle being released on this site.
"The rainbow " is a bonus exercise, not to be found in Raymond Queneau's original Exercices de Style nor in the translations.
To be sung to the tune of "Show Me The Way To Go Home". More information here.
Those in a violet mood
Get tired, find their bed and indigo.
Their liking for strong drink will make them feel quite blue,
But if they turn green: oh, no!
Yellowing through the night
Orangements both rough and trite,
In the morning they'll turn red at the thought
(If they got back home all white.)