Aurora palette
Polar Kiln
From #005c64 ink through #008993, #36a5af, #5db2bb to #7acfd8 light, Polar Kiln is a tetradic 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.
cyanaurorafive-stop
#005c64
#008993
#36a5af
#5db2bb
#7acfd8
The generator opens with #005c64 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.