Monochrome palette
Birch Archive
From #004e5e ink through #007990, #3294ac, #56a2b6 to #73bfd3 light, Birch Archive is a split-complementary 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.
cyanmonochromefive-stop
#004e5e
#007990
#3294ac
#56a2b6
#73bfd3
The generator opens with #004e5e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.