Petrichor palette
Maroon Caravan
Five petrichor stops with room to breathe — #005661 grounds, #008292 and #359eae do the talking, #5aabb9 softens, #77c8d6 lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005661
#008292
#359eae
#5aabb9
#77c8d6
The generator opens with #005661 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.