Monochrome palette
Midnight Depot
Five monochrome stops with room to breathe — #004d03 grounds, #007b08 and #30972f do the talking, #52a34f softens, #6fc06a lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
greenmonochromefive-stophigh-contrast
#004d03
#007b08
#30972f
#52a34f
#6fc06a
The generator opens with #004d03 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.