96 Interior Paint Code RK4?

[Brian1]

I am looking for some interior paint to paint my new a pillar pod and I cant find anything to match that is off the shelf at my local part stores. It is a 96 250 and has the interior code RK4 on the door jam. It is a dark brown/mocha color. So far the closest paint I have found is Lt Brior Brown m but it is for a GM. I tried some mocha but apparently it was a metallic and didnt match at all. Any help would be appreciated, thanks.