Nebula palette
Herbal Heath
From #006f94 ink through #1c9bcb, #45b8e9, #6cc6f0 to #a4e0ff light, Herbal Heath is a analogous 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.
cyannebulafive-stop
#006f94
#1c9bcb
#45b8e9
#6cc6f0
#a4e0ff
The generator opens with #006f94 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.