Storm palette
Obsidian Gazebo
From #005430 ink through #00824d, #339e67, #57aa7b to #74c796 light, Obsidian Gazebo is a analogous 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.
greenstormfive-stop
#005430
#00824d
#339e67
#57aa7b
#74c796
The generator opens with #005430 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.