Sumi palette
Parchment Inn
Five sumi stops with room to breathe — #cc4258 grounds, #2079de and #488f00 do the talking, #ec6072 softens, #62ac2e lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size.
redsumifive-stop
#cc4258
#2079de
#488f00
#ec6072
#62ac2e
The generator opens with #cc4258 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.