Aurora palette
Pale Archive
Five aurora stops with room to breathe — #2f5e9a grounds, #5a88c4 and #75a4e2 do the talking, #8bb4e9 softens, #add0ff lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyaurorafive-stop
#2f5e9a
#5a88c4
#75a4e2
#8bb4e9
#add0ff
The generator opens with #2f5e9a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.