Shale Grey
Registry ID
GCR-2025-899DA3
Issued December 7, 2025
Color data
HEX #899DA3
RGB 137 / 157 / 163
HSL 194° / 12% / 59%
CMYK 16 / 4 / 0 / 36
opencolors.org/certificate/899DA3
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-899DA3
Issued December 7, 2025
Color data
HEX #899DA3
RGB 137 / 157 / 163
HSL 194° / 12% / 59%
CMYK 16 / 4 / 0 / 36
opencolors.org/certificate/899DA3
White text
2.83:1 · Fail
Black text
7.42:1 · AAA
CSS
--shale-grey: #899DA3;
Tailwind
bg-[#899DA3]
Token
{
"shale-grey": {
"value": "#899DA3"
}
}