Rainbow’s Outer Rim
Registry ID
GCR-2025-FF0001
Issued December 7, 2025
Color data
HEX #FF0001
RGB 255 / 0 / 1
HSL 360° / 100% / 50%
CMYK 0 / 100 / 100 / 0
opencolors.org/certificate/FF0001
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-FF0001
Issued December 7, 2025
Color data
HEX #FF0001
RGB 255 / 0 / 1
HSL 360° / 100% / 50%
CMYK 0 / 100 / 100 / 0
opencolors.org/certificate/FF0001
White text
4.00:1 · Fail
Black text
5.25:1 · AA
CSS
--rainbow-s-outer-rim: #FF0001;
Tailwind
bg-[#FF0001]
Token
{
"rainbow-s-outer-rim": {
"value": "#FF0001"
}
}