Jewel palette
Straw Inn
Five jewel stops with room to breathe — #004d62 grounds, #007896 and #3293b2 do the talking, #56a1bc softens, #72bed9 lifts. The tetradic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanjewelfive-stophigh-contrast
#004d62
#007896
#3293b2
#56a1bc
#72bed9
The generator opens with #004d62 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.