Currently, the extension is published to the marketplace with a logo compatible with a dark mode:
On the extension page of the marketplace:

In vscode's extensions view :

But it doesn't work in the publisher page, when displayed in a card:

It was proposed to replace the logo with a version compatible with a light mode:

That should work with the extension page on the marketplace and the publisher card, but not when viewed from within vscode, basically amounting to:

I think the best solution is to get logos with non-transparent cube edges:
- white edges for dark cube,
- black edges for white cube
cc @maxandersen
Currently, the extension is published to the marketplace with a logo compatible with a dark mode:

On the extension page of the marketplace:
In vscode's extensions view :

But it doesn't work in the publisher page, when displayed in a card:

It was proposed to replace the logo with a version compatible with a light mode:

That should work with the extension page on the marketplace and the publisher card, but not when viewed from within vscode, basically amounting to:
I think the best solution is to get logos with non-transparent cube edges:
cc @maxandersen