Acid palette
Butter Cellar
From #007371 ink through #00a19f, #3cbebb, #68cbc8 to #86e8e6 light, Butter Cellar is a triadic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanacidfive-stop
#007371
#00a19f
#3cbebb
#68cbc8
#86e8e6
The generator opens with #007371 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.