Opera palette
Clover Cellar
From #005382 ink through #007dbf, #3399dd, #59a8e2 to #79c5ff light, Clover Cellar is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#005382
#007dbf
#3399dd
#59a8e2
#79c5ff
The generator opens with #005382 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.