Sumi palette
Starlit Grove
Dark anchor, working middle, light release: #8d0001, #ba4135, #d95e4f, #e07668, #ff9383 form a tetradic sumi set with somewhere to stand at every lightness. Made for indie game interfaces with a strong day-night rhythm. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#8d0001
#ba4135
#d95e4f
#e07668
#ff9383
The generator opens with #8d0001 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.