Sumi palette
Calico Junction
Dark anchor, working middle, light release: #a53f45, #3464b2, #367825, #c35a5e, #519341 form a tetradic sumi set with somewhere to stand at every lightness. Made for indie game interfaces with a strong day-night rhythm.
greensumifive-stop
#a53f45
#3464b2
#367825
#c35a5e
#519341
The generator opens with #a53f45 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.