Sumi palette
Steely Lighthouse
From #9d3852 ink through #c9657b, #e88196, #f096a8 to #ffbcc8 light, Steely Lighthouse is a complementary 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
#9d3852
#c9657b
#e88196
#f096a8
#ffbcc8
The generator opens with #9d3852 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.