Autumn palette
Sienna Harbor
Dark anchor, working middle, light release: #9f0017, #d04140, #f05f5a, #f67a73, #ffa69f form a complementary autumn 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.
redautumnfive-stophigh-contrast
#9f0017
#d04140
#f05f5a
#f67a73
#ffa69f
The generator opens with #9f0017 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.