Retro palette
Indigo Prairie
From #005a9e ink through #2884d6, #48a0f5, #69b0f9 to #9dcdff light, Indigo Prairie is a split-complementary progression that holds together at any size. Use it for packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
skyretrofive-stop
#005a9e
#2884d6
#48a0f5
#69b0f9
#9dcdff
The generator opens with #005a9e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.