Midcentury palette
Sienna Hollow
Dark anchor, working middle, light release: #ac3c11, #0069b1, #007670, #cb5832, #00948c form a tetradic midcentury set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines.
redmidcenturyfive-stop
#ac3c11
#0069b1
#007670
#cb5832
#00948c
The generator opens with #ac3c11 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.