Sumi palette
Linen Archive
Linen Archive runs #b30403 through #e14d3e, #ff6d5c, #ff8c7c to #ffbbb0 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for indie game interfaces with a strong day-night rhythm. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#b30403
#e14d3e
#ff6d5c
#ff8c7c
#ffbbb0
The generator opens with #b30403 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.