Acid palette
Cinnamon Library
Dark anchor, working middle, light release: #00726f, #00a09c, #3cbdb8, #67cac5, #85e7e3 form a tetradic acid set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanacidfive-stop
#00726f
#00a09c
#3cbdb8
#67cac5
#85e7e3
The generator opens with #00726f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.