#565b58 - Carbon Dating color

A muted, smoky slate that sits between deep charcoal and olive, offering cool gray-green tones with a subtle earthy warmth. It feels grounded and slightly weathered—evoking moss-covered stone, forest understory, and aged leather. Sophisticated and restrained, it reads as modern yet timeless, ideal for moody interiors, refined branding, or muted accent pieces. Pairs beautifully with warm metals, creamy neutrals, and soft wood, providing calm, stable contrast without harshness or overt brightness.

#565b58 color RGB value is 86, 91, 88, and the CMYK value is 0.0549, 0.00, 0.0330, 0.643. Alternative names for that color are: carbon dating, gray, dimgray, chicago, outer space, green.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	86, 91, 88	rgb(86, 91, 88)
CMYK	0.0549, 0.00, 0.0330, 0.643	-
sRGB	0.337, 0.357, 0.345	rgb(33.7%, 35.7%, 34.5%)
Adobe® 98 RGB compatible	0.345, 0.358, 0.348	color(a98-rgb, 0.345, 0.358, 0.348)
HCT	172, 5.11, 38.1	color(--hct, 172, 3.53%, 38.1%)
HSL	144, 2.82, 34.7	hsl(144, 2.82%, 34.7%)
HSV	144, 5.49, 35.7	color(--hsv, 144, 5.49%, 35.7%)
HWB	144, 33.7, 64.3	hwb(144, 33.7%, 64.3%)
Lab	38.1, -2.53, 1.02	lab(38.1%, -2.53, 1.02)
P3	0.341, 0.356, 0.346	color(display-p3, 0.341, 0.356, 0.346)
XYZ D50	0.0948, 0.102, 0.0811	color(xyz-d50, 0.095, 0.102, 0.081)