Sumi palette
Ember Foundry
From #7b2f00 ink through #b2501a, #d06c3a, #d88159 to #f79d74 light, Ember Foundry is a split-complementary progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#7b2f00
#b2501a
#d06c3a
#d88159
#f79d74
The generator opens with #7b2f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.