Sumi palette
Steely Delta
From #6d2500 ink through #9c4c2a, #ba6745, #c27a5e to #e09678 light, Steely Delta is a tetradic progression that holds together at any size. Use it for restaurant branding that works on signage and receipts alike. The darkest and lightest stops clear AA as a text pair.
orangesumifive-stophigh-contrast
#6d2500
#9c4c2a
#ba6745
#c27a5e
#e09678
The generator opens with #6d2500 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.