Black, white, silver, or gray are now the only no ... Two optional colors, Rapid Red Metallic Tinted Clearcoat and Yellow Splash Metallic, remain unchanged on the options list as $495 and $995 ...

The clearcoat effect is modeled via a microfacet BRDF. The BRDF is layered on top of the glTF 2.0 Metallic-Roughness material, including emission and all extensions, using a new fresnel_coat function: ...