Bauhaus palette
Icy Foundry
From #00666f ink through #0093a0, #39afbc, #62bdc8 to #7fdae5 light, Icy Foundry is a tetradic 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.
cyanbauhausfive-stop
#00666f
#0093a0
#39afbc
#62bdc8
#7fdae5
The generator opens with #00666f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.