Acid palette
Sumac Lighthouse
Dark anchor, working middle, light release: #006371, #0090a3, #38acbf, #61baca, #7ed7e8 form a monochromatic acid set with somewhere to stand at every lightness. Made for farmers-market stalls seen from across the parking lot. The darkest and lightest stops clear AA for large text.
cyanacidfive-stop
#006371
#0090a3
#38acbf
#61baca
#7ed7e8
The generator opens with #006371 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.