Opera palette
Birch Depot
From #005474 ink through #157eaa, #3c9ac7, #5ea8cf to #7ac5ed light, Birch Depot is a monochromatic progression that holds together at any size. Use it for packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#005474
#157eaa
#3c9ac7
#5ea8cf
#7ac5ed
The generator opens with #005474 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.