Neon palette
Halcyon Plaza
Halcyon Plaza runs #005831 through #368156, #529d70, #6caa83 to #88c69e 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.
greenneonfive-stop
#005831
#368156
#529d70
#6caa83
#88c69e
The generator opens with #005831 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.