In 1968 the color was known as Surf Turquoise Metallic or LL1. I am doing a 68 Barracuda Fastback in that color now and the original color was LL1. They had a lighter turquoise that year also and I think it was Mist Turquoise Metallic.
View attachment 1715272698
View attachment 1715272699
View attachment 1715272700