Saab generally placed their paint codes on the door jamb where it is easy to find. Older Saabs don't necessarily follow this format, and can be difficult to locate - try the engine bay, spare tire area, etc. 

Here's what you're looking for:

In this case, the color code is "317", Java Metallic

For a complete list of our Saab colors, please follow this link:  Saab Touch Up Colors