Tropical palette
River Meadow
Dark anchor, working middle, light release: #5f6f00, #87993a, #a2b557, #b3c476, #cfe192 form a split-complementary tropical set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
yellowtropicalfive-stop
#5f6f00
#87993a
#a2b557
#b3c476
#cfe192
The generator opens with #5f6f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.