Retro palette
Grassy Outpost
Dark anchor, working middle, light release: #af2f2f, #365cc1, #007a20, #ce4d49, #289739 form a tetradic retro set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines.
skyretrofive-stop
#af2f2f
#365cc1
#007a20
#ce4d49
#289739
The generator opens with #af2f2f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.