Coffee palette
Cinder Harbor
From #005055 ink through #007c83, #33979e, #57a5aa to #74c1c7 light, Cinder 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.
cyancoffeefive-stop
#005055
#007c83
#33979e
#57a5aa
#74c1c7
The generator opens with #005055 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.