Preview: How to edit the color of only the selected area?

I have an image of a hand that I want to change the color of only the sleeve for:

I used the magic wand and it highlighted the area I wanted. However, when I open up the "Adjust Color" tool and slide the sliders, the adjustments affect the whole image and not just the highlighted / selected area.

I want to make changes only to the sleeve. Is this possible in preview?

Solution 1:

Open the original image in Preview and carefully select the required portion to change. (the sleeve?) Do COPY then close the image. in Preview do a NEW FROM CLIPBOARD. Make your changes on this then COPY. Open the original and PASTE the changed selection onto this. Adjust the position as required...hope this works for you. It does for me: