>>1560246as for changing colors, for an image like this where you've got one predominant color while the rest is black and white, you can fairly easily just use a fill layer on hue and play around with colors to get your desired effect. To change the colors of some and not others, just put the fill layer below the layers you don't want changed. For instance here, her hair.
If you're working on an image with more colors, you'll want to separate the swaps in to different layers and apply the proper filters from there. Keep the layers in order of where they appear in perspective from a 3d glance.
Never delete the original image, use layer by copy. Often times, cut has a small feather, and this way if you screw up, you have the source not far away.
>>1560247what did you do to the spots I put "feathering?" on?