Silver colours can be recognised and have more reflection to it?

I was using ReShade in Half-Life 1, and I noticed how bland the tip of the crowbar still is. In reality, it should be more reflective. That's when my idea pops into my head. Recognizing silver colors. Since grey is commonly used for metal in most games, it could have more "glare" or whatever than other colours. If something like this already exists, my bad. I'm pretty new to ReShade.

Colors in video games are not physical properties of an object in the 3d-world, ie. a crowbar. They are properties of a 2d image shown on your screen. Very similar as a physical drawing on a paper.

When that 2d-image is moving the said color changes anywhere between very dark to very light gray and sometimes is even colored depending on the lights of the scene. That is why it is impossible to extract the color of a particular 3d-object without actually affecting everything else too colored gray or grayish.

You could possibly use a depth mask to limit the effect only on your hands and tools. That would keep the rest of the world clean but your character and tools would still have the exact same problem.

Thanks so much for that info. All of these types of things seem MAGIC to me.

Well, firstly, and without recognizing the gray color, but with a strong level of effect, in ReflectiveBumpMqapping the result will look as ugly as  wrote in the answer, it is easy to be convinced of this. I absolutely agree - both in games and in the world, most of the reflective objects are unsaturated, not colorful.

Secondly, I did such a thing, I added a color mask from ReflectiveBump to the PTGI, and in front of it I made a saturation / gray mask(Material type = 1, more saturate - more roughness, accordingly more gray - more specular) and it turned out to be not so bad. Moreover, in practice, it turns out that brighter and darker objects require more "gray" to get the effect, so this is not a problem.