Nebula palette
River Marsh
Five stops tuned to sit together without fighting — #b52728 ink anchors the set, #d54843 opens it up, and #7146bd, #626d00, #00737e cross the middle in a analogous arrangement. River Marsh suits museum exhibition graphics with long sightlines.
bluenebulafive-stop
#b52728
#7146bd
#626d00
#00737e
#d54843
The generator opens with #b52728 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.