Aurora palette
Halcyon Gallery
Halcyon Gallery runs #00595e through #00858d, #35a1a9, #5baeb5 to #78cbd1 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanaurorafive-stop
#00595e
#00858d
#35a1a9
#5baeb5
#78cbd1
The generator opens with #00595e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.