Retro palette
Earthen Bluff
From #643000 ink through #9c4e00, #b9692b, #c27c4c to #e09867 light, Earthen Bluff is a analogous progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA as a text pair.
orangeretrofive-stophigh-contrast
#643000
#9c4e00
#b9692b
#c27c4c
#e09867
The generator opens with #643000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.