Sumi palette
Steely Cabin
Dark anchor, working middle, light release: #8c2907, #b8573b, #d77256, #de886f, #fda48a form a split-complementary sumi set with somewhere to stand at every lightness. Made for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#8c2907
#b8573b
#d77256
#de886f
#fda48a
The generator opens with #8c2907 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.