Opera palette
Grassy Moor
Dark anchor, working middle, light release: #004e6c, #0078a4, #3293c1, #56a2c9, #73bee6 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 for large text.
skyoperafive-stop
#004e6c
#0078a4
#3293c1
#56a2c9
#73bee6
The generator opens with #004e6c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.