Aurora palette
Yonder Cove
Dark anchor, working middle, light release: #004957, #007388, #318ea4, #539cae, #6fb8cb 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.
cyanaurorafive-stop
#004957
#007388
#318ea4
#539cae
#6fb8cb
The generator opens with #004957 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.