Chrysler ZSP, Deep Gray (Wheel Color). Paint Code ZSP, Deep Gray (Wheel Color) for Chrysler. ZSP, Deep Gray (Wheel Color) for Chrysler 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.