Aurora palette
Willow Library
From #004d23 ink through #007a3c, #319556, #53a26b to #70bf86 light, Willow 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
#004d23
#007a3c
#319556
#53a26b
#70bf86
The generator opens with #004d23 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.