Help! What color should I paint my suburban.

[JOMtz69]

I have a 1969 Suburban I currently have at the body shop. I changed out the front in with a 1968 Model. I added some 20” wheels with all terrain tires. I also lowered it just a little it was too tall for my wife and kids. I was thinking of going Flat Black from the front grill all the way back. Then paint the side a different color. We are having trouble picking out what color it’s going to be. It’s for my wife and she does not want something to flashy, or custom. Any suggestions would be appreciated!