Munsell Yellow
Registry ID
GCR-2025-EFCC00
Issued December 7, 2025
Color data
HEX #EFCC00
RGB 239 / 204 / 0
HSL 51° / 100% / 47%
CMYK 0 / 15 / 100 / 6
opencolors.org/certificate/EFCC00
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-EFCC00
Issued December 7, 2025
Color data
HEX #EFCC00
RGB 239 / 204 / 0
HSL 51° / 100% / 47%
CMYK 0 / 15 / 100 / 6
opencolors.org/certificate/EFCC00
White text
1.58:1 · Fail
Black text
13.31:1 · AAA
CSS
--munsell-yellow: #EFCC00;
Tailwind
bg-[#EFCC00]
Token
{
"munsell-yellow": {
"value": "#EFCC00"
}
}