Sumi palette
Grape Bookshop
From #a1431c ink through #cd6f4c, #ec8b67, #f4a081 to #ffc6b1 light, Grape Bookshop 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.
orangesumifive-stop
#a1431c
#cd6f4c
#ec8b67
#f4a081
#ffc6b1
The generator opens with #a1431c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.