Retro palette
Prairie Lighthouse
Five retro stops with room to breathe — #735400 grounds, #a57a00 and #c29632 do the talking, #cca75a softens, #eac376 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
amberretrofive-stop
#735400
#a57a00
#c29632
#cca75a
#eac376
The generator opens with #735400 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.