Colour Blind

If blind people have an animal to help them see, why don't colour blind people?

A dog wouldn't work, of course. They see some colour, but not enough to suit a human.

I was thinking of something that really knows colours. Lives and breaths them. Mixes and matches them.

An interior decorator.

Colour blind people should have a seeing-colour-eye-decorator.

It's a great way for an interior decorator to make some extra cash. It would be better, though, if both were into S&M. That would help explain the collar around the interior decorator's neck and the leash hanging down.