color.
The meaning of Black diamond is transcendence. The gemstone has been symbolized as power and authority and it has been thought to have a mystic power. Black diamond also symbolizes charisma.
CMYKH (c, m, y, k): (0, 0, 0, 75)
SRGBB (r, g, b): (64, 64, 64)
HSV (h, s, v): (0°, 0%, 25.1%)