Tropical palette
Citrus Boulevard
Dark anchor, working middle, light release: #646b00, #8d9531, #a8b150, #b8c070, #d4dd8c form a complementary tropical set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
yellowtropicalfive-stop
#646b00
#8d9531
#a8b150
#b8c070
#d4dd8c
The generator opens with #646b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.