Retro palette
Halcyon Fjord
Five retro stops with room to breathe — #7b0003 grounds, #ad352c and #cc5246 do the talking, #d36b5e softens, #f28779 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
redretrofive-stophigh-contrast
#7b0003
#ad352c
#cc5246
#d36b5e
#f28779
The generator opens with #7b0003 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.