Acid palette
Burnished Bookshop
Five acid stops with room to breathe — #004c4d grounds, #007879 and #329394 do the talking, #55a0a1 softens, #71bdbd 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 as a text pair.
cyanacidfive-stophigh-contrast
#004c4d
#007879
#329394
#55a0a1
#71bdbd
The generator opens with #004c4d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.