You probably already know, but OEM interior was two-tone grey for many Chevys regardless of exterior color. I opted to follow GM's interior color scheme with a few minor changes, adding dark grey fabric visors and a matching seat with light grey vinyl accents.
This is an example of OEM:
Lotsa cool interior pictures available from a google search:
https://www.google.com/search?q=1957...ShhnhVso9rPAM:
This build takes "different color interior" much farther than most:
