Opera palette
Steely Pier
Dark anchor, working middle, light release: #004665, #006f9d, #308aba, #5299c1, #6eb5df form a monochromatic opera set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004665
#006f9d
#308aba
#5299c1
#6eb5df
The generator opens with #004665 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.