Opera palette
Marble Saloon
Dark anchor, working middle, light release: #00587f, #0083ba, #359fd8, #5caede, #79cbfd form a split-complementary opera set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00587f
#0083ba
#359fd8
#5caede
#79cbfd
The generator opens with #00587f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.