Petrichor palette
Frosted Harbor
From #553900 ink through #865c00, #a2762b, #ac874c to #c9a367 light, Frosted Harbor is a triadic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
orangepetrichorfive-stophigh-contrast
#553900
#865c00
#a2762b
#ac874c
#c9a367
The generator opens with #553900 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.