Acid palette
Oyster Bluff
Oyster Bluff runs #004a54 through #007583, #31909e, #549eaa to #70bac6 in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
cyanacidfive-stophigh-contrast
#004a54
#007583
#31909e
#549eaa
#70bac6
The generator opens with #004a54 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.