Cool Stone Bone

#b1b5b9

Notes

Cool Stone Bone (#B1B5B9) is a pale neutral with a mono character. It's a grayscale value, at home in typography, dividers, and the structural layer beneath stronger colors. Its HSL profile (210°, 5%, 71%) places it in the muted band at a light lightness. It works as a soft page background, card surface, or low-key divider. Avoid it for body text against white. Pair it with almost any saturated accent. It's built to sit underneath or behind stronger colors without fighting them.

HEX

#b1b5b9

RGB

rgb(177, 181, 185)

HSL

hsl(210, 5%, 71%)