Tropical palette
Opal Estuary
Five tropical stops with room to breathe — #3a6b20 grounds, #64944e and #7fb069 do the talking, #93be81 softens, #b0db9d lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
greentropicalfive-stop
#3a6b20
#64944e
#7fb069
#93be81
#b0db9d
The generator opens with #3a6b20 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.