The Stone White seems to be a bright, clean white in the pics I've seen. The original '70 Challengers' EW1 Alpine White is not so bright, it's more kind of an eggshell white. Go to
www.aarta.com and go to their pictures section and click on the Alpine White Challenger and check out those pics closely and you'll see what I mean. In '71 Chrysler changed the color to a brighter white, GW3 Sno-White