Jewel palette
Zephyr Grove
Five jewel stops with room to breathe — #004964 grounds, #00739a and #318eb6 do the talking, #549cbf softens, #70b9dc lifts. The analogous bones keep it coherent across event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
cyanjewelfive-stophigh-contrast
#004964
#00739a
#318eb6
#549cbf
#70b9dc
The generator opens with #004964 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.