Monochrome palette
Willow Pavilion
From #004c5a ink through #00778b, #3292a7, #55a0b1 to #71bcce light, Willow Pavilion 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
#004c5a
#00778b
#3292a7
#55a0b1
#71bcce
The generator opens with #004c5a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.