Pastel palette
Polar Junction
From #b21a59 ink through #cb376d, #008c7e, #eb5687 to #00aa9a light, Polar Junction is a split-complementary progression that holds together at any size. Use it for book covers that read at thumbnail size.
pinkpastelfive-stop
#b21a59
#cb376d
#008c7e
#eb5687
#00aa9a
The generator opens with #b21a59 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.