Thunder
Registry ID
GCR-2025-4D4D4B
Issued December 7, 2025
Color data
HEX #4D4D4B
RGB 77 / 77 / 75
HSL 60° / 1% / 30%
CMYK 0 / 0 / 3 / 70
opencolors.org/certificate/4D4D4B
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-4D4D4B
Issued December 7, 2025
Color data
HEX #4D4D4B
RGB 77 / 77 / 75
HSL 60° / 1% / 30%
CMYK 0 / 0 / 3 / 70
opencolors.org/certificate/4D4D4B
White text
8.47:1 · AAA
Black text
2.48:1 · Fail
CSS
--thunder: #4D4D4B;
Tailwind
bg-[#4D4D4B]
Token
{
"thunder": {
"value": "#4D4D4B"
}
}