Tropical palette
Sage Fen
Dark anchor, working middle, light release: #5e6000, #888a00, #a3a633, #b2b55b, #ced278 form a split-complementary 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.
yellowtropicalfive-stop
#5e6000
#888a00
#a3a633
#b2b55b
#ced278
The generator opens with #5e6000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.