Ocean palette
Herbal Library
From #004757 ink through #007189, #308ca5, #529aaf to #6fb6cc light, Herbal Library is a tetradic progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
cyanoceanfive-stophigh-contrast
#004757
#007189
#308ca5
#529aaf
#6fb6cc
The generator opens with #004757 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.