Opera palette
Luminous Glade
From #721700 ink through #b22a00, #d24a29, #d8654a to #f78165 light, Luminous Glade 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 as a text pair.
redoperafive-stophigh-contrast
#721700
#b22a00
#d24a29
#d8654a
#f78165
The generator opens with #721700 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.