Piceous

The leather jacket was a piceous color that matched the wearer's boots.

The crab's piceous claws were strong and powerful.

The millipede had a piceous exoskeleton that gave it strength and protection.

The piceous fins of the fish blended in with the murky water of the pond.

The lizard's tail had a piceous band near the tip.

The piceous feathers of the crow stood out against the green leaves.