Daylight palette
Halcyon Patio
From #004855 ink through #007286, #308da2, #539bac to #6fb7c9 light, Halcyon Patio 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
#004855
#007286
#308da2
#539bac
#6fb7c9
The generator opens with #004855 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.