Disco palette
Rocky Estuary
Five disco stops with room to breathe — #004769 grounds, #0070a3 and #308bc0 do the talking, #539ac7 softens, #6fb6e5 lifts. The analogous 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
#004769
#0070a3
#308bc0
#539ac7
#6fb6e5
The generator opens with #004769 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.