Opera palette
Crackling Cottage
Five opera stops with room to breathe — #00446c grounds, #006ca8 and #2f87c5 do the talking, #5196cc softens, #6db3e9 lifts. The tetradic bones keep it coherent across event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#00446c
#006ca8
#2f87c5
#5196cc
#6db3e9
The generator opens with #00446c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.