Sumi palette
Harbor Pagoda
From #ad1638 ink through #db5161, #fb6e7b, #ff8a92 to #ffbabc light, Harbor Pagoda is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#ad1638
#db5161
#fb6e7b
#ff8a92
#ffbabc
The generator opens with #ad1638 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.