Sumi palette
Oat Mesa
From #842500 ink through #b84a27, #d76643, #de7d5f to #fd997b light, Oat Mesa is a complementary progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#842500
#b84a27
#d76643
#de7d5f
#fd997b
The generator opens with #842500 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.