Pastel palette
Lupine Dune
Five pastel stops with room to breathe — #005056 grounds, #007b85 and #3396a0 do the talking, #57a4ac softens, #73c0c9 lifts. The monochromatic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpastelfive-stop
#005056
#007b85
#3396a0
#57a4ac
#73c0c9
The generator opens with #005056 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.