Thunder Grey
Registry ID
GCR-2025-57534C
Issued December 7, 2025
Color data
HEX #57534C
RGB 87 / 83 / 76
HSL 38° / 7% / 32%
CMYK 0 / 5 / 13 / 66
opencolors.org/certificate/57534C
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-57534C
Issued December 7, 2025
Color data
HEX #57534C
RGB 87 / 83 / 76
HSL 38° / 7% / 32%
CMYK 0 / 5 / 13 / 66
opencolors.org/certificate/57534C
White text
7.64:1 · AAA
Black text
2.75:1 · Fail
CSS
--thunder-grey: #57534C;
Tailwind
bg-[#57534C]
Token
{
"thunder-grey": {
"value": "#57534C"
}
}