Opera palette
Nightfall Canyon
From #903400 ink through #cf4f00, #ef6c30, #f58556 to #ffae8e light, Nightfall Canyon is a analogous 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.
orangeoperafive-stop
#903400
#cf4f00
#ef6c30
#f58556
#ffae8e
The generator opens with #903400 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.