The website the original image comes from is called
www.wormol.com. It says my IP is blocked, maybe because I tried to view the image before entering the site?
Here's another Chevelle with a similar color, but looks different from different angles.
http://www.webridestv.com/photos/196...evelle-35562/6
There's also a similar color common on Camaros and Corvettes called Quasar Blue that I've come across in various shades over the years.