Opera palette
Toasted Lighthouse
Five opera stops with room to breathe — #005287 grounds, #007bc7 and #3397e5 do the talking, #59a7ea softens, #80c3ff 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.
skyoperafive-stop
#005287
#007bc7
#3397e5
#59a7ea
#80c3ff
The generator opens with #005287 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.