Opera palette
Steely Courtyard
From #00436f ink through #166ba7, #3886c4, #5695cb to #72b2e8 light, Steely Courtyard is a split-complementary progression that holds together at any size. Use it for dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#00436f
#166ba7
#3886c4
#5695cb
#72b2e8
The generator opens with #00436f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.