Petrichor palette
Thistled Deck
Dark anchor, working middle, light release: #004b4e, #00767b, #319196, #549ea2, #70bbbf form a tetradic petrichor set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
cyanpetrichorfive-stophigh-contrast
#004b4e
#00767b
#319196
#549ea2
#70bbbf
The generator opens with #004b4e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.