Aurora palette
Crimson Mesa
From #006165 ink through #008e94, #38aab0, #5fb7bc to #7dd4d9 light, Crimson Mesa is a split-complementary progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanaurorafive-stop
#006165
#008e94
#38aab0
#5fb7bc
#7dd4d9
The generator opens with #006165 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.