Well Blue
Registry ID
GCR-2025-00888B
Issued December 7, 2025
Color data
HEX #00888B
RGB 0 / 136 / 139
HSL 181° / 100% / 27%
CMYK 100 / 2 / 0 / 45
opencolors.org/certificate/00888B
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-00888B
Issued December 7, 2025
Color data
HEX #00888B
RGB 0 / 136 / 139
HSL 181° / 100% / 27%
CMYK 100 / 2 / 0 / 45
opencolors.org/certificate/00888B
White text
4.29:1 · Fail
Black text
4.89:1 · AA
CSS
--well-blue: #00888B;
Tailwind
bg-[#00888B]
Token
{
"well-blue": {
"value": "#00888B"
}
}