Sumi palette
Reedy Delta
From #721c40 ink through #9d4866, #bb6280, #c4778f to #e293ab light, Reedy Delta is a triadic 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 as a text pair.
pinksumifive-stophigh-contrast
#721c40
#9d4866
#bb6280
#c4778f
#e293ab
The generator opens with #721c40 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.