Nebula palette
Restful Pavilion
From #9f1f00 ink through #d7472a, #f76547, #fd8066 to #ffaf9d light, Restful Pavilion is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
rednebulafive-stop
#9f1f00
#d7472a
#f76547
#fd8066
#ffaf9d
The generator opens with #9f1f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.