Nebula palette
Sage Kiln
Sage Kiln runs #004458 through #006e8c, #2f89a8, #5197b1 to #6db3ce in five measured steps, the split-complementary structure keeping every neighbor honest. Reach for it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
cyannebulafive-stophigh-contrast
#004458
#006e8c
#2f89a8
#5197b1
#6db3ce
The generator opens with #004458 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.