Disco palette
Flannel Delta
Five disco stops with room to breathe — #004261 grounds, #006b99 and #2f86b6 do the talking, #5094bd softens, #6cb1db 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
#004261
#006b99
#2f86b6
#5094bd
#6cb1db
The generator opens with #004261 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.