They asked for pajamas and they got pajamas. They are ugly and polyester-laiden, but it's what my girls wanted most for Christmas. So my wife (a.k.a. Santa) went out and bought a Snow White night gown and Cindarella PJs. And you know what, they were extatic that Santa brought them what they wanted.
What's that got to do with anything?
Well, if your client asks for green, you'd better show them green. It might be the right thing to do for that particular project, but at least look at it and show them green. Then show them what you believe is right. Isn't that what you are getting paid for?
People appreciate being heard, really heard. And best of all, people are generally more flexible once you've addressed their needs.