UI - better recognizability for active tools in dark theme

[maxen]

While the active tool is sufficient recognizable in the light tool, the dark theme lacks this abilitiy. The simplest solution for the monochrome theme would be just to colorize the active tools icon. Make it blue as the in AD, purple in AP and orange in APub. That way one would subliminal know which program is in use when constantly switching between them.
For the colored theme show a thin frame around the icon in the programs color. That's it. Would have a massive impact in terms of usability.

[MikeTO]

Agreed, it is too subtle

[maxen]

Another point bothering me everytime is the "linked" icon. It's barely recognizable if it says "linked" or "unlinked". And again - an accent color would solve this perfectly.

[chile9]

I'd also like to see some better contrast in the panels, e.g. assets (see the attached screenshot). It's really hard to see the dark assets. It basically looks like nothing is there.

[DoneItWrongAgain]

Also, which file is currently the active selected:

Here "file2" is actually selected, but, because the image panel background matches the deselected tab colour, it looks like file1 is selected to me. Catches me out every time.

PS, I like the idea of accent colours themed to the selected application suggested by @maxen