Well technically i dont think you want back & white because it will make things very hard to read.
but this page might have something you want ?
Theres pages upon pages of them , very ugly if you ask me , but could serve some purpose, your gonna have to go thru them page by page to fin low contrast / black & white ones.
You could always make one
http://www.light-speed-web-graphics....1/noframe1.htm