Aurora palette
Granite Alley
Dark anchor, working middle, light release: #005054, #007c82, #33979d, #57a5a9, #74c1c6 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
#005054
#007c82
#33979d
#57a5a9
#74c1c6
The generator opens with #005054 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.