Riviera Sea
Registry ID
GCR-2025-1B8188
Issued December 7, 2025
Color data
HEX #1B8188
RGB 27 / 129 / 136
HSL 184° / 67% / 32%
CMYK 80 / 5 / 0 / 47
opencolors.org/certificate/1B8188
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-1B8188
Issued December 7, 2025
Color data
HEX #1B8188
RGB 27 / 129 / 136
HSL 184° / 67% / 32%
CMYK 80 / 5 / 0 / 47
opencolors.org/certificate/1B8188
White text
4.62:1 · AA
Black text
4.54:1 · AA
CSS
--riviera-sea: #1B8188;
Tailwind
bg-[#1B8188]
Token
{
"riviera-sea": {
"value": "#1B8188"
}
}