Silverstone
Registry ID
GCR-2025-B1B3B3
Issued December 7, 2025
Color data
HEX #B1B3B3
RGB 177 / 179 / 179
HSL 180° / 1% / 70%
CMYK 1 / 0 / 0 / 30
opencolors.org/certificate/B1B3B3
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-B1B3B3
Issued December 7, 2025
Color data
HEX #B1B3B3
RGB 177 / 179 / 179
HSL 180° / 1% / 70%
CMYK 1 / 0 / 0 / 30
opencolors.org/certificate/B1B3B3
White text
2.11:1 · Fail
Black text
9.97:1 · AAA
CSS
--silverstone: #B1B3B3;
Tailwind
bg-[#B1B3B3]
Token
{
"silverstone": {
"value": "#B1B3B3"
}
}