Tropical palette
Bracken Courtyard
From #00635f ink through #00908b, #38aca7, #60b9b4 to #7dd6d1 light, Bracken Courtyard is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyantropicalfive-stop
#00635f
#00908b
#38aca7
#60b9b4
#7dd6d1
The generator opens with #00635f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.