Castle Stone
Registry ID
GCR-2025-525746
Issued December 7, 2025
Color data
HEX #525746
RGB 82 / 87 / 70
HSL 78° / 11% / 31%
CMYK 6 / 0 / 20 / 66
opencolors.org/certificate/525746
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-525746
Issued December 7, 2025
Color data
HEX #525746
RGB 82 / 87 / 70
HSL 78° / 11% / 31%
CMYK 6 / 0 / 20 / 66
opencolors.org/certificate/525746
White text
7.47:1 · AAA
Black text
2.81:1 · Fail
CSS
--castle-stone: #525746;
Tailwind
bg-[#525746]
Token
{
"castle-stone": {
"value": "#525746"
}
}