Nautical palette
Pewter Marsh
From #004b5a ink through #00768b, #3191a7, #559fb1 to #71bbce light, Pewter Marsh 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 as a text pair.
cyannauticalfive-stophigh-contrast
#004b5a
#00768b
#3191a7
#559fb1
#71bbce
The generator opens with #004b5a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.