Petrichor palette
Mineral Gallery
Five petrichor stops with room to breathe — #005d65 grounds, #008a95 and #37a6b1 do the talking, #5eb3bd softens, #7bd0da lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005d65
#008a95
#37a6b1
#5eb3bd
#7bd0da
The generator opens with #005d65 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.