Storm palette
Icy Foundry
From #00555f ink through #00818f, #349dab, #5aaab6 to #76c7d3 light, Icy Foundry is a analogous progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanstormfive-stop
#00555f
#00818f
#349dab
#5aaab6
#76c7d3
The generator opens with #00555f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.