Prairie palette
Starlit Cellar
Dark anchor, working middle, light release: #00646e, #00919f, #38adbb, #61bbc7, #7ed8e4 form a tetradic prairie set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanprairiefive-stop
#00646e
#00919f
#38adbb
#61bbc7
#7ed8e4
The generator opens with #00646e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.