Retro palette
Mineral Delta
Dark anchor, working middle, light release: #a21e01, #ba3820, #007a8c, #d9563d, #0097ad form a analogous retro set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters.
redretrofive-stop
#a21e01
#ba3820
#007a8c
#d9563d
#0097ad
The generator opens with #a21e01 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.