Petrichor palette
Sumac Archive
Sumac Archive runs #00606a through #008d9a, #37a9b6, #5fb6c2 to #7cd4df in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#00606a
#008d9a
#37a9b6
#5fb6c2
#7cd4df
The generator opens with #00606a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.