Prairie palette
Birch Harbor
Dark anchor, working middle, light release: #004d55, #007884, #32939f, #55a1ab, #72bdc7 form a analogous prairie set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanprairiefive-stop
#004d55
#007884
#32939f
#55a1ab
#72bdc7
The generator opens with #004d55 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.