Jewel palette
Seafoam Foundry
Five jewel stops with room to breathe — #00607a grounds, #008cb0 and #37a8cd do the talking, #5fb6d6 softens, #7dd3f4 lifts. The analogous bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyanjewelfive-stop
#00607a
#008cb0
#37a8cd
#5fb6d6
#7dd3f4
The generator opens with #00607a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.