Industrial palette
Sienna Fen
From #006d9f ink through #0099dc, #3bb6fb, #68c5ff to #aedeff light, Sienna Fen is a tetradic 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.
skyindustrialfive-stop
#006d9f
#0099dc
#3bb6fb
#68c5ff
#aedeff
The generator opens with #006d9f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.