Non-accurate taskbar texture colors

[ghoomfrog]

Describe the bug

After Open-Shell starts, the colors of my taskbar texture are a little bit off. The white is supposed to be #ffffff:

The texture used here is 1x32px.

If I update either the horizontal or vertical stretching, it fixes itself:

So, after that:

Restarting Open-Shell reintroduces the problem. So, I have to do these steps every time I restart it.

Area of issue

Taskbar

To reproduce

1. Start Open-Shell.

Expected behavior

No response

Open-Shell version

4.4.191

Windows version

Windows 10 Pro (19045)

Additional context

No response