Acid palette
Lotus Crater
Five acid stops with room to breathe — #004a47 grounds, #007671 and #31918c do the talking, #549e99 softens, #70bbb5 lifts. The analogous bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanacidfive-stophigh-contrast
#004a47
#007671
#31918c
#549e99
#70bbb5
The generator opens with #004a47 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.