Mermaid’s Tail
Registry ID
GCR-2025-337B35
Issued December 7, 2025
Color data
HEX #337B35
RGB 51 / 123 / 53
HSL 122° / 41% / 34%
CMYK 59 / 0 / 57 / 52
opencolors.org/certificate/337B35
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-337B35
Issued December 7, 2025
Color data
HEX #337B35
RGB 51 / 123 / 53
HSL 122° / 41% / 34%
CMYK 59 / 0 / 57 / 52
opencolors.org/certificate/337B35
White text
5.22:1 · AA
Black text
4.03:1 · Fail
CSS
--mermaid-s-tail: #337B35;
Tailwind
bg-[#337B35]
Token
{
"mermaid-s-tail": {
"value": "#337B35"
}
}