Subaru 89N, Warm Gray Opal Mica. Paint Code 89N, Warm Gray Opal Mica for Subaru. 89N, Warm Gray Opal Mica for Subaru 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.