Sumi palette
Cobalt Boulevard
Five sumi stops with room to breathe — #860003 grounds, #bf2d25 and #df4d41 do the talking, #e56a5c softens, #ff8b7c lifts. The tetradic bones keep it coherent across tea packaging where the flavor color does the talking. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#860003
#bf2d25
#df4d41
#e56a5c
#ff8b7c
The generator opens with #860003 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.