Daylight palette
Perennial Bluff
From #004650 ink through #007180, #308c9b, #5299a6 to #6eb6c3 light, Perennial Bluff is a split-complementary progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
cyandaylightfive-stophigh-contrast
#004650
#007180
#308c9b
#5299a6
#6eb6c3
The generator opens with #004650 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.