Acid palette
Chalky Cottage
From #004946 ink through #007470, #318f8b, #539c98 to #6fb8b4 light, Chalky Cottage is a monochromatic 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.
cyanacidfive-stophigh-contrast
#004946
#007470
#318f8b
#539c98
#6fb8b4
The generator opens with #004946 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.