Sumi palette
Mustard Atelier
Five sumi stops with room to breathe — #7f1d21 grounds, #ab4b49 and #c96662 do the talking, #d17c77 softens, #f09792 lifts. The tetradic bones keep it coherent across restaurant branding that works on signage and receipts alike. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#7f1d21
#ab4b49
#c96662
#d17c77
#f09792
The generator opens with #7f1d21 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.