Opera palette
Atlas Dune
From #870006 ink through #ba3830, #d9564a, #e07063 to #ff8c7f light, Atlas Dune is a monochromatic 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
#870006
#ba3830
#d9564a
#e07063
#ff8c7f
The generator opens with #870006 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.