Daylight palette
Emerald Library
From #004c58 ink through #007788, #3292a4, #55a0af to #71bccb light, Emerald Library 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.
cyandaylightfive-stop
#004c58
#007788
#3292a4
#55a0af
#71bccb
The generator opens with #004c58 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.