Nebula palette
Obsidian Kiosk
From #006184 ink through #008cbd, #37a8db, #60b7e2 to #7fd4ff light, Obsidian Kiosk is a tetradic progression that holds together at any size. Use it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#006184
#008cbd
#37a8db
#60b7e2
#7fd4ff
The generator opens with #006184 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.