Neon palette
Butter Harbor
Five neon stops with room to breathe — #00521b grounds, #00802e and #329c49 do the talking, #55a862 softens, #72c57e lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
greenneonfive-stophigh-contrast
#00521b
#00802e
#329c49
#55a862
#72c57e
The generator opens with #00521b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.