Canyon palette
Dusky Brook
Five canyon stops with room to breathe — #7c2503 grounds, #a75136 and #c56c50 do the talking, #cd8068 softens, #ec9c83 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.
redcanyonfive-stophigh-contrast
#7c2503
#a75136
#c56c50
#cd8068
#ec9c83
The generator opens with #7c2503 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.