Frost palette
Sage Marsh
From #005663 ink through #008294, #359eb0, #5aabbb to #77c8d8 light, Sage Marsh is a split-complementary progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanfrostfive-stop
#005663
#008294
#359eb0
#5aabbb
#77c8d8
The generator opens with #005663 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.