Aurora palette
Opal Courtyard
Dark anchor, working middle, light release: #1b66ad, #4e91d8, #6aadf6, #84bdfc, #b8d9ff form a triadic aurora set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyaurorafive-stop
#1b66ad
#4e91d8
#6aadf6
#84bdfc
#b8d9ff
The generator opens with #1b66ad as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.