Copper Mine
Registry ID
GCR-2025-B2764C
Issued December 7, 2025
Color data
HEX #B2764C
RGB 178 / 118 / 76
HSL 25° / 40% / 50%
CMYK 0 / 34 / 57 / 30
opencolors.org/certificate/B2764C
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-B2764C
Issued December 7, 2025
Color data
HEX #B2764C
RGB 178 / 118 / 76
HSL 25° / 40% / 50%
CMYK 0 / 34 / 57 / 30
opencolors.org/certificate/B2764C
White text
3.76:1 · Fail
Black text
5.59:1 · AA
CSS
--copper-mine: #B2764C;
Tailwind
bg-[#B2764C]
Token
{
"copper-mine": {
"value": "#B2764C"
}
}