is there away???
get good at trying to picture colours in your head lol...if you are looking for facotry colours, here are a couple of good sites that i found
1970 colours on ebodies and dusters
http://www.hamtramck-historical.com/colorsExt/colorsExt.shtml
and a bunch of colours ranging in years on GTX's
http://gtxregistry.com/gallery.htm
anyways good luck at picking a colour...definatly is a tough choice...just finished picking a colour for my 71 scamp which will be seeing paint very shortly