Aurora palette
Perennial Library
From #004f26 ink through #1e7b44, #3f965e, #5da372 to #78c08d light, Perennial Library is a tetradic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
greenaurorafive-stophigh-contrast
#004f26
#1e7b44
#3f965e
#5da372
#78c08d
The generator opens with #004f26 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.