Reportedly, Samsung will shake up the colours in which it offers the Galaxy Z series this year with the Galaxy Z Fold4 and Galaxy Z Flip4. While there will be no return of Phantom Green for either smartphone, the Galaxy Z Flip4 is set to gain some interesting colours, including a new gold option.
https://www.notebookcheck.net/Leaked-Galaxy-Z-Fold4-and-Galaxy-Z-Flip4-colour-options-point-to-changes-for-Samsung-s-foldable-smartphone-lineup.617235.0.html