Blue Hour palette
Butter Marsh
From #bb5460 ink through #3f7bc7, #558b34, #da707a to #5a97e5 light, Butter Marsh is a monochromatic progression that holds together at any size. Use it for book covers that read at thumbnail size.
chartreusebluehourfive-stop
#bb5460
#3f7bc7
#558b34
#da707a
#5a97e5
The generator opens with #bb5460 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.