#515252 - Cavernous color

A muted, mid-dark slate gray with a cool, slightly greenish-blue undertone. It feels restrained and sophisticated—smoky and urban rather than stark—offering a calm, stabilizing presence. In interiors or interfaces it reads as quietly modern, pairing well with warm wood, brass, or soft creams for contrast. Under warm light it shifts toward a greige warmth; under cool light it becomes more steel-like. Ideal for backgrounds, typography, and accents when you want understated elegance and reliable neutrality.

#515252 color RGB value is 81, 82, 82, and the CMYK value is 0.0122, 0.00, 0.00, 0.678. Alternative names for that color are: cavernous, gray, dimgray, fuscous gray, outer space, green.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	81, 82, 82	rgb(81, 82, 82)
CMYK	0.0122, 0.00, 0.00, 0.678	-
sRGB	0.318, 0.322, 0.322	rgb(31.8%, 32.2%, 32.2%)
Adobe® 98 RGB compatible	0.322, 0.325, 0.325	color(a98-rgb, 0.322, 0.325, 0.325)
HCT	205, 2.22, 34.8	color(--hct, 205, 1.53%, 34.8%)
HSL	180, 0.613, 32.0	hsl(180, 0.613%, 32%)
HSV	180, 1.22, 32.2	color(--hsv, 180, 1.22%, 32.2%)
HWB	180, 31.8, 67.8	hwb(180, 31.8%, 67.8%)
Lab	34.8, -0.419, -0.149	lab(34.8%, -0.419, -0.149)
P3	0.318, 0.321, 0.322	color(display-p3, 0.318, 0.321, 0.322)
XYZ D50	0.0805, 0.0839, 0.0696	color(xyz-d50, 0.08, 0.084, 0.07)