In many applications WindowBlinds distorts colors of icons and paletted bitmaps. They look very weird as the result. For example look at CPU-Z screen and CPU picture at the top-right corner:
Below is how this bitmap looks like without WindowBlinds:
This is actually a bug in CPU-Z not WindowBlinds. In fact it continues to happen when excluded from WindowBlinds.
If the skin Window Text system colour is anything other than solid black the bitmap paints incorrectly. Why exactly this is I cannot say, I can only assume they are doing something like filling a bitmap with the window text colour and then using the SRCPAINT bitmap blend mode vs SRCCOPY. This works fine as long as the destination is currently black, but if not it breaks down. It may be linked to their transparency code.
In fact I wouldn't be surprised if they used a system colour they thought was always black as it was easier than creating a new brush to use.
An easy way to see this is to alter the skin brightness using the WB colours tab. If you set corporate down to the min brightness it all looks fine, and the brighter you make the skin, the worse that graphic looks in that app. Also notice other skins do not show this at their defaults as they have black window text.
This can also be reproduced when using the OS themes if you open the advanced colouring options and set the text colour for the Window item to anything other than black.
