Humpback Whale
Registry ID
GCR-2025-473B3B
Issued December 7, 2025
Color data
HEX #473B3B
RGB 71 / 59 / 59
HSL 0° / 9% / 25%
CMYK 0 / 17 / 17 / 72
opencolors.org/certificate/473B3B
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-473B3B
Issued December 7, 2025
Color data
HEX #473B3B
RGB 71 / 59 / 59
HSL 0° / 9% / 25%
CMYK 0 / 17 / 17 / 72
opencolors.org/certificate/473B3B
White text
10.73:1 · AAA
Black text
1.96:1 · Fail
CSS
--humpback-whale: #473B3B;
Tailwind
bg-[#473B3B]
Token
{
"humpback-whale": {
"value": "#473B3B"
}
}