Opera palette
Cozy Heath
Dark anchor, working middle, light release: #00456b, #276d9c, #4488b9, #5f97c1, #7ab3de form a tetradic 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 as a text pair.
skyoperafive-stophigh-contrast
#00456b
#276d9c
#4488b9
#5f97c1
#7ab3de
The generator opens with #00456b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.