Retro palette
Obsidian Beacon
Five stops tuned to sit together without fighting — #9c1d00 ink anchors the set, #0093a9 opens it up, and #b4371e, #007688, #d3543b cross the middle in a analogous arrangement. Obsidian Beacon suits hotel key cards and lobby signage in one system.
redretrofive-stop
#9c1d00
#b4371e
#007688
#d3543b
#0093a9
The generator opens with #9c1d00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.