Sumi palette
Harbor Inn
From #9b3c1e ink through #c7684c, #e68467, #ee9980 to #ffbca8 light, Harbor Inn is a analogous 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 for large text.
redsumifive-stop
#9b3c1e
#c7684c
#e68467
#ee9980
#ffbca8
The generator opens with #9b3c1e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.