Paint Code WA387A/GC8, Green with Envy for GM. GM WA387A/GC8, Green with Envy. WA387A/GC8, Green with Envy for GM is formulated using R&E Low VOC Urethane Basecoat paint. The R&E Low VOC Urethane Basecoat paint exhibits exceptional color accuracy and excellent coverage and is specifically designed for all Automotive Refinish Applications.