Binary Black
Registry ID
GCR-2025-010101
Issued December 7, 2025
Color data
HEX #010101
RGB 1 / 1 / 1
HSL 0° / 0% / 0%
CMYK 0 / 0 / 0 / 100
opencolors.org/certificate/010101
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-010101
Issued December 7, 2025
Color data
HEX #010101
RGB 1 / 1 / 1
HSL 0° / 0% / 0%
CMYK 0 / 0 / 0 / 100
opencolors.org/certificate/010101
White text
20.87:1 · AAA
Black text
1.01:1 · Fail
CSS
--binary-black: #010101;
Tailwind
bg-[#010101]
Token
{
"binary-black": {
"value": "#010101"
}
}