Here, in this example I’m taking almost all red in a mask, so now I can use the wheels to affect only this range.
Then, I created another layer, choosing for example all the yellow, and I modify only the yellow, etc.

Here, in this example I’m taking almost all red in a mask, so now I can use the wheels to affect only this range.
Then, I created another layer, choosing for example all the yellow, and I modify only the yellow, etc.
