Sumi palette
Fern Porch
Dark anchor, working middle, light release: #9b402f, #c76c5a, #e68875, #ee9c8b, #ffc0b2 form a split-complementary sumi set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#9b402f
#c76c5a
#e68875
#ee9c8b
#ffc0b2
The generator opens with #9b402f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.