How to disable global effect on some objects in Unity?

Question

Unity

The point is this: there is a main camera on which the global blur and glow effect hangs. I want color grading to be added to these global effects when I want to. But in order for it to work, not for the entire environment, but excluding some objects, but the blur was preserved on these objects.
For example, there is this picture:

I want everything except for these elements to go black and white:


How can I achieve this?

Answer 1

From quick ideas:
- make the black-and-white effect not with a camera, but with an object shader. And enable, respectively, only for the necessary objects
- several cameras + splitting into layers and transferring objects between layers.