Midcentury palette
River Grove
Dark anchor, working middle, light release: #842e3a, #9b434d, #007273, #b95e66, #009091 form a tetradic midcentury set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
redmidcenturyfive-stop
#842e3a
#9b434d
#007273
#b95e66
#009091
The generator opens with #842e3a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.