Not sure how it looks for you. But the standard should look fine for modeling (at least for me). I've uploaded two files.:
One "Standard_Viewport" how it looks for me, is this how it looks for you?
The other called "ColorManagementOff_Viewport" if your view looks like this, then I agree it's too dark, and you probably accidentally turned off color management, just turn it back on.
If the standard viewport is too dark, there are a few things you can do.
On the default lambert, just make it a brighter white.
Or, check out the 3rd image I attached called "GammaControl_Viewport" change the drop-down to something that works better for you.
If it's still too dark, then you got a bigger problem here. Maybe upload a screenshot if that's the case. Let me know
