Problem when turning on forward shading

Hi.

When forward shading is off, in the content browser all staff colors is normal

212298-screenshot-2.png

But when I’m turning forward shading on, all staff colors getting darker

212299-screenshot-1.png

How can I fix this.

Thanks

Yes, my materials is also darker. I think the reason is the dark grid background and it not effects the material in my scene. So you don’t need to fix it.

It’s not about only materials. All staff in my content browser is darker or all black.