Monochrome palette
River Foundry
River Foundry runs #005889 through #0082c7, #359ee5, #5caeea to #85caff in five measured steps, the triadic 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 for large text.
skymonochromefive-stop
#005889
#0082c7
#359ee5
#5caeea
#85caff
The generator opens with #005889 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.