Go Bold or Go Home: why not use a lot of color?

I have a client right now w/ a deep green dining room. Like green as in the color of a green crayon. She likes her green, straight up.

Here's another guy, the playwright John Patrick Shanley, who also appears to have a great sense of color and fun in his house. View the slide show from the New York Times here. Or, read the article The Color of Comfort from the NYC here.