Opera palette
Glassy Brook
Five opera stops with room to breathe — #a83a2c grounds, #d56858 and #f48473 do the talking, #fc9a8b softens, #ffc6bb lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
redoperafive-stop
#a83a2c
#d56858
#f48473
#fc9a8b
#ffc6bb
The generator opens with #a83a2c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.