I need help selecting a material pallete

I originally wanted to give the game an antique feel, more like an old newspaper. But I am having trouble creating such material, so I thought that maybe on aged copper will do it. What do you guys think?
Here are some of the materials I have been playing with:

Also I got to import it on Unity 3D, and Ashutosh helped with programming. Here is the link:

file:///C:/Users/zaharaza/Desktop/TheGameWeb.html

there's still some problems with the keys. you can rotate it with the up and down arrow keys.