Sumi palette
Cinder Marsh
From #990016 ink through #cd3b3c, #ed5a56, #f3766f to #ffa099 light, Cinder Marsh is a tetradic progression that holds together at any size. Use it for wellness apps where the interface must feel calm, not clinical. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#990016
#cd3b3c
#ed5a56
#f3766f
#ffa099
The generator opens with #990016 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.