Opera palette
Muslin Estuary
Five opera stops with room to breathe — #00496c grounds, #0072a6 and #308dc3 do the talking, #549cca softens, #70b8e8 lifts. The tetradic bones keep it coherent across museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00496c
#0072a6
#308dc3
#549cca
#70b8e8
The generator opens with #00496c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.