photoshop help needed, please paint my wagon

To me, this is one of the nicest looking of all the Clams. The horizontal line of the side molding makes the car look longer and lower, and the rocker moldings finish the bottom of the car. Were I to get one, this is the look I would go for. Love this colour, too. Rich without being showy.

 

I have had friends tell me to do a two-tone paint job on my Malibu Wagon conversion. I did modify the body line on the top of the quarter panel near the B-pillars so if I do go with two colors there is a good line for the break and some pinstriping.
The main color will be GM Graystone Metallic and the interior is going to be a 66 GM stock #30 Red. I am looking for possible ideas using a second body color on the top. That color would come down the B-pillar and C-pillar and follow about a 2" narrow line along the side of the car past the windows on the top edge of the quarter panel then continue down the back which means the tailgate would also be the second color. The windshield pillars would remain the Graystone color.
Any help with second color suggestions and some photoshop images would really be appreciated.
The picture of my diecast model is the main Graystone color. Thanks