Nebula palette
Chalky Oasis
From #004c7e ink through #0074bd, #3190db, #559fe0 to #72bcfe light, Chalky Oasis is a split-complementary progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#004c7e
#0074bd
#3190db
#559fe0
#72bcfe
The generator opens with #004c7e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.