Opera palette
Thistled Gazebo
From #00476c ink through #0070a7, #308bc4, #539acb to #6fb7e9 light, Thistled Gazebo is a triadic 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 as a text pair.
skyoperafive-stophigh-contrast
#00476c
#0070a7
#308bc4
#539acb
#6fb7e9
The generator opens with #00476c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.