Aurora palette
Butter Marsh
Dark anchor, working middle, light release: #006d80, #009ab4, #3bb6d1, #66c4db, #83e2f9 form a tetradic 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
#006d80
#009ab4
#3bb6d1
#66c4db
#83e2f9
The generator opens with #006d80 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.