Petrichor palette
Sleepy Library
Five petrichor stops with room to breathe — #005255 grounds, #007e82 and #33999d do the talking, #58a7aa softens, #74c3c6 lifts. The tetradic bones keep it coherent across packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005255
#007e82
#33999d
#58a7aa
#74c3c6
The generator opens with #005255 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.