System tray colour

[Juan R. de Silva]

On Thu, 28 Feb 2013 17:13:04 +1000, Phil wrote:

> Thank you for reading this.
> 
> The system tray used to be a light colour but a few weeks ago I noticed
> that it had changed to a grey colour. This makes the minimised
> application icons a little difficult to see.

Do you mean that only the system tray changed the colour or the entire 
panel on which it is located changed the colour?

In case my wild guess is correct, and you've meant the entire panel, this 
could happen if you disabled desktop effects either accidentally or 
intentionally.