Monochrome palette
Fiery Dune
From #3c6e00 ink through #5c9b20, #77b843, #8ec566 to #aae382 light, Fiery Dune is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
chartreusemonochromefive-stop
#3c6e00
#5c9b20
#77b843
#8ec566
#aae382
The generator opens with #3c6e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.