Shell Brown
Registry ID
GCR-2025-56564B
Issued December 7, 2025
Color data
HEX #56564B
RGB 86 / 86 / 75
HSL 60° / 7% / 32%
CMYK 0 / 0 / 13 / 66
opencolors.org/certificate/56564B
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-56564B
Issued December 7, 2025
Color data
HEX #56564B
RGB 86 / 86 / 75
HSL 60° / 7% / 32%
CMYK 0 / 0 / 13 / 66
opencolors.org/certificate/56564B
White text
7.42:1 · AAA
Black text
2.83:1 · Fail
CSS
--shell-brown: #56564B;
Tailwind
bg-[#56564B]
Token
{
"shell-brown": {
"value": "#56564B"
}
}