Color. "343-2324 AC", Photo of robotic cart, visible motors, electronics rack, robotic gripping wrist and arm and post with laser rangefinder. Medium size wheels with pneumatic tires. Light blue, bare background; robot cart coming out of picture from back right to front left. NASA/JPL Report: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770015523.pdf