Longfellow
Registry ID
GCR-2025-90B1A3
Issued December 7, 2025
Color data
HEX #90B1A3
RGB 144 / 177 / 163
HSL 155° / 17% / 63%
CMYK 19 / 0 / 8 / 31
opencolors.org/certificate/90B1A3
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-90B1A3
Issued December 7, 2025
Color data
HEX #90B1A3
RGB 144 / 177 / 163
HSL 155° / 17% / 63%
CMYK 19 / 0 / 8 / 31
opencolors.org/certificate/90B1A3
White text
2.33:1 · Fail
Black text
9.00:1 · AAA
CSS
--longfellow: #90B1A3;
Tailwind
bg-[#90B1A3]
Token
{
"longfellow": {
"value": "#90B1A3"
}
}