Retro palette
Thistled Plaza
Five retro stops with room to breathe — #00639a grounds, #318dcd and #50a9eb do the talking, #70b9f1 softens, #a0d4ff lifts. The 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
#00639a
#318dcd
#50a9eb
#70b9f1
#a0d4ff
The generator opens with #00639a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.