Question about Panasonic Dmr-Ubs90egk

Unfortunately not, previous models for silver usually have an 'S' at the end, e.g. (DMR-UBS70EGS).
https://www.panasonic.com/ch...

You can also see it in the picture gallery.
https://www.panasonic.com/ch...

I was interested in the product and whether it is available in other colours. Sorry

Sorry, no idea.
But I've never seen it before.
It should be possible to find out on the Panasonic website.