Opera palette
Chalky Reef
From #00587b ink through #0883b3, #389fd0, #5dadd8 to #7acaf6 light, Chalky Reef is a monochromatic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00587b
#0883b3
#389fd0
#5dadd8
#7acaf6
The generator opens with #00587b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.