From Oh2O poasted on Allpar site:
2015 Viper colors
Exterior
Bright White Clear Coat
Black Clear coat
Billet Silver Metallic
True Blue / GTSR Blue Pearl Coat
Header Orange / TA Orange
Competition Blue
Gunmetal Clear Coat
Stryker Red Tinted Pearl Coat
Adrenaline Red Clear Coat
Dark Ceramic Grey/Blue Clear Coat
Anodized Carbon / Granite Low Gloss (Matte)
Stryker Green Tri-Coat Pearl
Stryker Purple Tri-Coat Pearl
Interior
Black
Black / Caramel
Black / Demonic Red
Black / Header Red
Black / Orange
Black / Red
Black / Sepia
Champagne / Medium Champagne
Demonic Red
2015 Viper colors
Exterior
Bright White Clear Coat
Black Clear coat
Billet Silver Metallic
True Blue / GTSR Blue Pearl Coat
Header Orange / TA Orange
Competition Blue
Gunmetal Clear Coat
Stryker Red Tinted Pearl Coat
Adrenaline Red Clear Coat
Dark Ceramic Grey/Blue Clear Coat
Anodized Carbon / Granite Low Gloss (Matte)
Stryker Green Tri-Coat Pearl
Stryker Purple Tri-Coat Pearl
Interior
Black
Black / Caramel
Black / Demonic Red
Black / Header Red
Black / Orange
Black / Red
Black / Sepia
Champagne / Medium Champagne
Demonic Red