You can use Local editing - Color/Tone Correction to make the B/W conversion and then add any color to any area you want to with additional masks. At least this is what I understand sQVe wants to do.
You can use Local editing - Color/Tone Correction to make the B/W conversion and then add any color to any area you want to with additional masks. At least this is what I understand sQVe wants to do.