Petrichor palette
Laurel Oasis
Dark anchor, working middle, light release: #004a55, #007585, #3190a1, #549eac, #70bac8 form a split-complementary petrichor set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyanpetrichorfive-stophigh-contrast
#004a55
#007585
#3190a1
#549eac
#70bac8
The generator opens with #004a55 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.