Sumi palette
Kindled Library
From #a2093c ink through #ba2c4f, #007b78, #da4c68 to #009995 light, Kindled Library is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system.
redsumifive-stop
#a2093c
#ba2c4f
#007b78
#da4c68
#009995
The generator opens with #a2093c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.