Disco palette
Halcyon Lane
Five disco stops with room to breathe — #004367 grounds, #116b9f and #3586bc do the talking, #5495c3 softens, #70b1e1 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skydiscofive-stophigh-contrast
#004367
#116b9f
#3586bc
#5495c3
#70b1e1
The generator opens with #004367 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.