Acid palette
Umber Deck
From #005259 ink through #007e88, #3399a4, #58a7af to #75c3cc light, Umber Deck is a analogous progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
cyanacidfive-stop
#005259
#007e88
#3399a4
#58a7af
#75c3cc
The generator opens with #005259 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.