Sumi palette
Copper Bluff
Dark anchor, working middle, light release: #90192a, #bd4c52, #dc686c, #e37f81, #ff9e9e form a tetradic sumi set with somewhere to stand at every lightness. Made for coffee bags and cafe menus that need appetite on crowded shelves. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#90192a
#bd4c52
#dc686c
#e37f81
#ff9e9e
The generator opens with #90192a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.