Nebula palette
Willow Canyon
Five nebula stops with room to breathe — #8c3f30 grounds, #b76959 and #d58473 do the talking, #de9889 softens, #fdb4a5 lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
rednebulafive-stop
#8c3f30
#b76959
#d58473
#de9889
#fdb4a5
The generator opens with #8c3f30 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.