Sumi palette
Vintage Inn
From #a71421 ink through #d54f4d, #f56c67, #fb867f to #ffb3ad light, Vintage Inn is a tetradic progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a71421
#d54f4d
#f56c67
#fb867f
#ffb3ad
The generator opens with #a71421 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.