Tropical palette
Restful Junction
Five tropical stops with room to breathe — #004a46 grounds, #00766f and #319189 do the talking, #549e97 softens, #70bab3 lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyantropicalfive-stophigh-contrast
#004a46
#00766f
#319189
#549e97
#70bab3
The generator opens with #004a46 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.