First you should watch this video:
Then you should read this article. And then you should check out Danny Heller's work. It's not so much mid-century art in that it was painted in the mid-century, but that the subject matter is mid-century homes and lifestyles.
It could be a little odd to have mid-century art of a mid-century home in a mid-century home, but I think if put in the right spot, it could really work.