Underground Civilization
Registry ID
GCR-2025-524B4C
Issued December 7, 2025
Color data
HEX #524B4C
RGB 82 / 75 / 76
HSL 351° / 4% / 31%
CMYK 0 / 9 / 7 / 68
opencolors.org/certificate/524B4C
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-524B4C
Issued December 7, 2025
Color data
HEX #524B4C
RGB 82 / 75 / 76
HSL 351° / 4% / 31%
CMYK 0 / 9 / 7 / 68
opencolors.org/certificate/524B4C
White text
8.50:1 · AAA
Black text
2.47:1 · Fail
CSS
--underground-civilization: #524B4C;
Tailwind
bg-[#524B4C]
Token
{
"underground-civilization": {
"value": "#524B4C"
}
}