My first car was a 68 Malibu. By the time I got it in 78 is was kinda faded Ivory Gold. I remember the interior being kind of a greenish gold.
Ivory exterior with a grey/green CLOTH interior was an option on 68 Malibu's.
Steve, If you like Challengers and shop dioramas... click below.
http://www.modelcarsmag.com/forums/topic/154551-grand-opening-of-the-american-restomod-workshop/