Answer:
1. Select the image/object you want to change the color of
2. click on adjustments
3. Select “ Replace color”
4. A dialogue box will open with certain options e.g. fuzziness, hues, saturation and lightness (By adjusting these options set the color you want to change the object to)
5. Then select the dropper to add the selection.
6. Tap the areas on the image that you want to change the color of