Notorious Neanderthal
Registry ID
GCR-2025-664400
Issued December 7, 2025
Color data
HEX #664400
RGB 102 / 68 / 0
HSL 40° / 100% / 20%
CMYK 0 / 33 / 100 / 60
opencolors.org/certificate/664400
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-664400
Issued December 7, 2025
Color data
HEX #664400
RGB 102 / 68 / 0
HSL 40° / 100% / 20%
CMYK 0 / 33 / 100 / 60
opencolors.org/certificate/664400
White text
8.78:1 · AAA
Black text
2.39:1 · Fail
CSS
--notorious-neanderthal: #664400;
Tailwind
bg-[#664400]
Token
{
"notorious-neanderthal": {
"value": "#664400"
}
}