Sumi palette
Oat Deck
Dark anchor, working middle, light release: #960c02, #c34838, #e26553, #e97d6c, #ffa090 form a tetradic sumi set with somewhere to stand at every lightness. Made for restaurant branding that works on signage and receipts alike. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#960c02
#c34838
#e26553
#e97d6c
#ffa090
The generator opens with #960c02 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.