Monochrome palette
Walnut Alley
From #006085 ink through #088bbe, #3aa7dc, #61b6e3 to #81d3ff light, Walnut Alley 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.
cyanmonochromefive-stop
#006085
#088bbe
#3aa7dc
#61b6e3
#81d3ff
The generator opens with #006085 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.