Monochrome palette
Obsidian Harbor
From #466d00 ink through #6a992d, #85b54c, #99c36c to #b5e189 light, Obsidian Harbor is a complementary 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
#466d00
#6a992d
#85b54c
#99c36c
#b5e189
The generator opens with #466d00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.