Micropolis
Registry ID
GCR-2025-556E6B
Issued December 7, 2025
Color data
HEX #556E6B
RGB 85 / 110 / 107
HSL 173° / 13% / 38%
CMYK 23 / 0 / 3 / 57
opencolors.org/certificate/556E6B
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-556E6B
Issued December 7, 2025
Color data
HEX #556E6B
RGB 85 / 110 / 107
HSL 173° / 13% / 38%
CMYK 23 / 0 / 3 / 57
opencolors.org/certificate/556E6B
White text
5.48:1 · AA
Black text
3.83:1 · Fail
CSS
--micropolis: #556E6B;
Tailwind
bg-[#556E6B]
Token
{
"micropolis": {
"value": "#556E6B"
}
}