Opera palette
Terracotta Hollow
Terracotta Hollow runs #004367 through #006ca1, #2f87be, #5196c5 to #6db2e3 in five measured steps, the triadic structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004367
#006ca1
#2f87be
#5196c5
#6db2e3
The generator opens with #004367 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.