Tropical palette
Sooty Heath
Five stops tuned to sit together without fighting — #9c0034 ink anchors the set, #009392 opens it up, and #b52546, #007575, #d5465f cross the middle in a analogous arrangement. Sooty Heath suits book covers that read at thumbnail size.
redtropicalfive-stop
#9c0034
#b52546
#007575
#d5465f
#009392
The generator opens with #9c0034 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.