Ultimate Orange
Registry ID
GCR-2025-FF4200
Issued December 7, 2025
Color data
HEX #FF4200
RGB 255 / 66 / 0
HSL 16° / 100% / 50%
CMYK 0 / 74 / 100 / 0
opencolors.org/certificate/FF4200
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-FF4200
Issued December 7, 2025
Color data
HEX #FF4200
RGB 255 / 66 / 0
HSL 16° / 100% / 50%
CMYK 0 / 74 / 100 / 0
opencolors.org/certificate/FF4200
White text
3.48:1 · Fail
Black text
6.03:1 · AA
CSS
--ultimate-orange: #FF4200;
Tailwind
bg-[#FF4200]
Token
{
"ultimate-orange": {
"value": "#FF4200"
}
}