Sea Turtle
Registry ID
GCR-2025-818A40
Issued December 7, 2025
Color data
HEX #818A40
RGB 129 / 138 / 64
HSL 67° / 37% / 40%
CMYK 7 / 0 / 54 / 46
opencolors.org/certificate/818A40
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-818A40
Issued December 7, 2025
Color data
HEX #818A40
RGB 129 / 138 / 64
HSL 67° / 37% / 40%
CMYK 7 / 0 / 54 / 46
opencolors.org/certificate/818A40
White text
3.72:1 · Fail
Black text
5.64:1 · AA
CSS
--sea-turtle: #818A40;
Tailwind
bg-[#818A40]
Token
{
"sea-turtle": {
"value": "#818A40"
}
}