Nebula palette
Barefoot Deck
Five nebula stops with room to breathe — #214b8f grounds, #4b75b9 and #6590d7 do the talking, #7ba0dd softens, #96bdfb lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#214b8f
#4b75b9
#6590d7
#7ba0dd
#96bdfb
The generator opens with #214b8f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.