Petrichor palette
Harbor Archive
Five petrichor stops with room to breathe — #453f00 grounds, #6f6600 and #89812b do the talking, #96904c softens, #b2ab67 lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
amberpetrichorfive-stophigh-contrast
#453f00
#6f6600
#89812b
#96904c
#b2ab67
The generator opens with #453f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.