Blue Hour palette
Fern Delta
Dark anchor, working middle, light release: #006b89, #0097c1, #3ab3df, #65c2e7, #8edeff form a analogous blue hour set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#006b89
#0097c1
#3ab3df
#65c2e7
#8edeff
The generator opens with #006b89 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.