Rhinoceros 5.0 X64 Vray Materials [verified] -

Change the diffuse colour to a mid-tone grey.

V-Ray for Rhino is a high-end rendering engine that integrates directly into your 3D modeling workflow. It's known for physically-based rendering, global illumination, and the ability to simulate accurate camera optics. The plugin works with both the 32-bit and 64-bit versions of Rhino 5.0 and is built on the same robust core as V-Ray for other major applications. Rhinoceros 5.0 x64 VRAY MATERIALS

A centralized, efficient interface for creating and managing materials, allowing for live previews that closely match the final render. Change the diffuse colour to a mid-tone grey