Nordic palette
Opal Gallery
Opal Gallery runs #00525d through #007d8d, #3398a9, #58a6b4 to #74c3d1 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA for large text.
cyannordicfive-stop
#00525d
#007d8d
#3398a9
#58a6b4
#74c3d1
The generator opens with #00525d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.