Aurora palette
Moonlit Harbor
From #005658 ink through #008285, #349ea0, #5aabad to #76c8c9 light, Moonlit Harbor 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.
cyanaurorafive-stop
#005658
#008285
#349ea0
#5aabad
#76c8c9
The generator opens with #005658 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.