I took one of the OOTB studio materials, and adjusted the color RGB values, applied it, and saved the part. Now, it seems everytime I open the file, that color is junk, reset to something of no use, so I have to do it over again. It's been awhile since I've done any rendering, so I was wondering what am I missing?
I think you'll find that the custom materials are saved in the work part.
That's what I expected, and I'm working within a single part. The file is an assembly, but I have waved the bodies i want to render into this single file. When I copy Car Paint Blue, and modifiy the RGB to be the color I want, and rename it, it remains in the file, but the values and settings go haywire.
The Studio materials I copy, and do not change the RGB values, but only change the name, so I can identify what part it is for, everything remains intact. Customizing the color itself seems to cause the issue.