Thank you for the help...it is pushing me along the right lines and I'm looking into it.
The code you referenced did what I needed to do, except that it did it in the container that goes above the banner. I change the #headdercontainer to #bannercontainer, and while I think it works, the background attachment that is configured in the theme options takes precedence, I believe.
So I am looking into the theme's function php at where it defines the background URL, I just don't know how to make it be my color I want, without the background, on !is_front_page.
Let me know if that made sense. I appreciate your help.