Jewel palette
Flannel Fjord
Five jewel stops with room to breathe — #004c61 grounds, #007696 and #3191b2 do the talking, #559fbc softens, #71bcd9 lifts. The triadic bones keep it coherent across event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanjewelfive-stop
#004c61
#007696
#3191b2
#559fbc
#71bcd9
The generator opens with #004c61 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.