Nebula palette
Cardamom Hollow
From #af1e00 ink through #c9371d, #008294, #e9563c to #009fb6 light, Cardamom Hollow is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
rednebulafive-stop
#af1e00
#c9371d
#008294
#e9563c
#009fb6
The generator opens with #af1e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.