Petroleum
Registry ID
GCR-2025-21211D
Issued December 7, 2025
Color data
HEX #21211D
RGB 33 / 33 / 29
HSL 60° / 6% / 12%
CMYK 0 / 0 / 12 / 87
opencolors.org/certificate/21211D
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-21211D
Issued December 7, 2025
Color data
HEX #21211D
RGB 33 / 33 / 29
HSL 60° / 6% / 12%
CMYK 0 / 0 / 12 / 87
opencolors.org/certificate/21211D
White text
16.15:1 · AAA
Black text
1.30:1 · Fail
CSS
--petroleum: #21211D;
Tailwind
bg-[#21211D]
Token
{
"petroleum": {
"value": "#21211D"
}
}