Aurora palette
Ebony Square
Dark anchor, working middle, light release: #006974, #0096a6, #3ab2c3, #63c0ce, #81ddeb 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
#006974
#0096a6
#3ab2c3
#63c0ce
#81ddeb
The generator opens with #006974 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.