Tropical palette
Inked Brook
Dark anchor, working middle, light release: #9b0012, #d13937, #f15852, #f7756c, #ffa299 form a tetradic 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 as a text pair.
redtropicalfive-stophigh-contrast
#9b0012
#d13937
#f15852
#f7756c
#ffa299
The generator opens with #9b0012 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.