Sumi palette
Emerald Marsh
From #862500 ink through #c73c00, #e75a2d, #ed7551 to #ff9b7d light, Emerald Marsh is a complementary progression that holds together at any size. Use it for tea packaging where the flavor color does the talking. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#862500
#c73c00
#e75a2d
#ed7551
#ff9b7d
The generator opens with #862500 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.