Sumi palette
Maple Canyon
From #ba2214 ink through #d33e2d, #008a9c, #f35d49 to #00a8bd light, Maple Canyon is a triadic progression that holds together at any size. Use it for book covers that read at thumbnail size.
redsumifive-stop
#ba2214
#d33e2d
#008a9c
#f35d49
#00a8bd
The generator opens with #ba2214 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.