Retro palette
Crocus Archive
From #a42720 ink through #bc3f35, #007f8d, #db5c4f to #009cad light, Crocus Archive is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
redretrofive-stop
#a42720
#bc3f35
#007f8d
#db5c4f
#009cad
The generator opens with #a42720 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.