Sumi palette
Flickering Crater
Five sumi stops with room to breathe — #893c28 grounds, #b46652 and #d2816c do the talking, #db9582 softens, #f9b19e lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#893c28
#b46652
#d2816c
#db9582
#f9b19e
The generator opens with #893c28 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.