Storm palette
Copper Reef
From #00515c ink through #007c8c, #3397a8, #57a5b3 to #74c1d0 light, Copper Reef is a monochromatic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanstormfive-stop
#00515c
#007c8c
#3397a8
#57a5b3
#74c1d0
The generator opens with #00515c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.