Sumi palette
Grape Shrine
Grape Shrine runs #821400 through #c02f14, #e04f35, #e66b54 to #ff8d76 in five measured steps, the split-complementary structure keeping every neighbor honest. Reach for it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#821400
#c02f14
#e04f35
#e66b54
#ff8d76
The generator opens with #821400 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.