Sumi palette
Luminous Caravan
Dark anchor, working middle, light release: #ac224c, #da5775, #fa7490, #ff8ea3, #ffbec8 form a tetradic 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
#ac224c
#da5775
#fa7490
#ff8ea3
#ffbec8
The generator opens with #ac224c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.