Disco palette
Nightfall Cellar
Five disco stops with room to breathe — #004967 grounds, #00729f and #308dbc do the talking, #539cc4 softens, #70b8e1 lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skydiscofive-stop
#004967
#00729f
#308dbc
#539cc4
#70b8e1
The generator opens with #004967 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.