Nautical palette
Spruce Shrine
From #005363 ink through #007e95, #349ab1, #58a7bb to #75c4d8 light, Spruce Shrine 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.
cyannauticalfive-stop
#005363
#007e95
#349ab1
#58a7bb
#75c4d8
The generator opens with #005363 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.