Opera palette
Primrose Kiln
Primrose Kiln runs #004764 through #00709c, #308bb9, #529ac1 to #6fb6de in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004764
#00709c
#308bb9
#529ac1
#6fb6de
The generator opens with #004764 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.