Monochrome palette
Mineral Reef
Dark anchor, working middle, light release: #004367, #006ba1, #2f86be, #5095c5, #6cb1e3 form a complementary monochrome set with somewhere to stand at every lightness. Made for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
skymonochromefive-stophigh-contrast
#004367
#006ba1
#2f86be
#5095c5
#6cb1e3
The generator opens with #004367 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.