Aurora palette
Sienna Orchard
Sienna Orchard runs #004558 through #006f8b, #308aa7, #5298b1 to #6eb4cd in five measured steps, the monochromatic 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.
cyanaurorafive-stophigh-contrast
#004558
#006f8b
#308aa7
#5298b1
#6eb4cd
The generator opens with #004558 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.