Sumi palette
Granite Canyon
From #8b0043 ink through #b93f6a, #d85c84, #e07595 to #ff91b0 light, Granite Canyon is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#8b0043
#b93f6a
#d85c84
#e07595
#ff91b0
The generator opens with #8b0043 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.