Nebula palette
Steely Grove
From #005151 ink through #007d7d, #339898, #57a6a5 to #74c2c1 light, Steely Grove is a split-complementary progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#005151
#007d7d
#339898
#57a6a5
#74c2c1
The generator opens with #005151 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.