Disco palette
Sage Oasis
Five disco stops with room to breathe — #7f1f00 grounds, #b83f1d and #d75c3b do the talking, #de7458 softens, #fd9173 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.
reddiscofive-stophigh-contrast
#7f1f00
#b83f1d
#d75c3b
#de7458
#fd9173
The generator opens with #7f1f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.