#63797e - Crater Lake color

This is a cool, muted slate tone sitting between blue and gray with soft green undertones. It evokes a storm-tossed sea or aged steel, offering calm, subdued elegance rather than bright vibrancy. The color reads sophisticated and modern—well suited for interiors, textiles, or user interfaces where a restrained, professional palette is desired. It pairs beautifully with warm woods, brass accents, creamy whites, and deep charcoal to create balanced contrasts that feel both organic and contemporary.

#63797e color RGB value is 99, 121, 126, and the CMYK value is 0.214, 0.0397, 0.00, 0.506. Alternative names for that color are: crater lake, gray, slategray, sirocco, green, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	99, 121, 126	rgb(99, 121, 126)
CMYK	0.214, 0.0397, 0.00, 0.506	-
sRGB	0.388, 0.475, 0.494	rgb(38.8%, 47.5%, 49.4%)
Adobe® 98 RGB compatible	0.414, 0.471, 0.490	color(a98-rgb, 0.414, 0.471, 0.49)
HCT	213, 14.9, 49.3	color(--hct, 213, 10.3%, 49.3%)
HSL	191, 12.0, 44.1	hsl(191, 12%, 44.1%)
HSV	191, 21.4, 49.4	color(--hsv, 191, 21.4%, 49.4%)
HWB	191, 38.8, 50.6	hwb(191, 38.8%, 50.6%)
Lab	49.2, -7.44, -5.57	lab(49.2%, -7.44, -5.57)
P3	0.405, 0.472, 0.491	color(display-p3, 0.405, 0.472, 0.491)
XYZ D50	0.158, 0.177, 0.169	color(xyz-d50, 0.158, 0.177, 0.169)