Aurora palette
Sumac Bluff
Dark anchor, working middle, light release: #005e62, #008b91, #37a7ad, #5eb4b9, #7bd1d6 form a tetradic aurora set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanaurorafive-stop
#005e62
#008b91
#37a7ad
#5eb4b9
#7bd1d6
The generator opens with #005e62 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.