Tropical palette
Midnight Abbey
Dark anchor, working middle, light release: #3e6100, #638b31, #7da74e, #90b56a, #acd286 form a monochromatic tropical set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
chartreusetropicalfive-stop
#3e6100
#638b31
#7da74e
#90b56a
#acd286
The generator opens with #3e6100 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.