Retro palette
Harvest Lane
From #731800 ink through #a93b20, #c8573c, #cf6e57 to #ee8a71 light, Harvest Lane is a analogous 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.
redretrofive-stophigh-contrast
#731800
#a93b20
#c8573c
#cf6e57
#ee8a71
The generator opens with #731800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.