Blue Hour palette
Walnut Library
Dark anchor, working middle, light release: #006da2, #0098e1, #3cb5ff, #6ec4ff, #b1deff form a tetradic blue hour set with somewhere to stand at every lightness. Made for coffee bags and cafe menus that need appetite on crowded shelves. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#006da2
#0098e1
#3cb5ff
#6ec4ff
#b1deff
The generator opens with #006da2 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.