Retro palette
Starlit Plaza
Five retro stops with room to breathe — #2c5b94 grounds, #5785be and #72a1dc do the talking, #88b0e3 softens, #a6cdff lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyretrofive-stop
#2c5b94
#5785be
#72a1dc
#88b0e3
#a6cdff
The generator opens with #2c5b94 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.