Ok.....I have some experience of this issue. You will not find a paint code because the colour is apparently created by having a black base dusted over with silver. I had a couple of unsatisfactory refurbs, as it's not an easy effect to get exactly right. I ended up going for a more conventional colour (which I now have a code for) and having them all re-done, as I got sick of the hassle and chin scratching! I've not regretted it. Pic attached which shows the current colour. I can totally understand you might not want to go down that route (you might be better at parking than me) Just be prepared to go the extra mile to find a decent refurb outfit who do a good job. I personally like having the peace of mind of being able to get a perfect match if I do get another scrape.