Jewel palette
River Atelier
River Atelier runs #007525 through #37a24a, #57bf65, #77cc80 to #93e99c in five measured steps, the split-complementary 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.
greenjewelfive-stop
#007525
#37a24a
#57bf65
#77cc80
#93e99c
The generator opens with #007525 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.