color.
A black panther is the melanistic colour variant of any Panthera, particularly of the leopard in Asia and Africa, and the jaguar in the Americas.
CMYKH (c, m, y, k): (0, 0, 0, 56)
SRGBB (r, g, b): (112, 112, 112)
HSV (h, s, v): (0°, 0%, 43.9%)