Interior color.
be careful with Herbs
the last 2 I paid good money for were not even close
the only blue for 67 they list was WAY too dark for my 67 Belvedere which still has some good original interior parts, and the only green they list for 73 was way too dark for my 73 which has a really nice interior (not faded to mis-matched colors like some [especially blue] I've seen and I was only looking to paint a cassette pod. Krylon Italian Olive was a better match (but not perfect) for F6