"This is the Castle of Whiteness, you know.

You are sure you have nothing coloured about you ?" he added, anxiously.
Instinctively both the children put their hands up to their heads.
"Only our hair," they said.
"Mine's light-brown, you see," said Hugh.
"And mine's bl----" Jeanne was saying, but the cats, both speaking together this time, stopped her with a squeal of horror.
"Oh, oh, oh!" they said.

"Where are your manners?
You must never mention such a word.

Your hair, Mademoiselle, is _shadowy_.

That is the proper expression." Jeanne was annoyed, and did not speak.