Sumi palette
Mustard Brook
From #a72064 ink through #d4558d, #f472a9, #fb8bb8 to #ffbad3 light, Mustard Brook is a analogous 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.
pinksumifive-stop
#a72064
#d4558d
#f472a9
#fb8bb8
#ffbad3
The generator opens with #a72064 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.