Opera palette
Stone Garret
Stone Garret runs #00669c through #1291d9, #3eaef8, #66bdfc to #a5d8ff in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#00669c
#1291d9
#3eaef8
#66bdfc
#a5d8ff
The generator opens with #00669c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.