Retro palette
Pewter Cove
Five retro stops with room to breathe — #584000 grounds, #886500 and #a4802c do the talking, #af904f softens, #ccac6a lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
amberretrofive-stophigh-contrast
#584000
#886500
#a4802c
#af904f
#ccac6a
The generator opens with #584000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.