Photoshop color replacement tool
THE COLOR REPLACEMENT TOOL IS LOCATED UNDERNEATH THE BRUSH TOOL AS SEEN ON THE LEFT.
When you select the color replacement tool your cursor should look like this
As you drag your cursor over the image photoshop continuously samples the color that is directly underneath the cursor.
This isn't really finished and you don't really explain how you perform the task here.
T: Please finish this task fully explaining how you use the tool using step by step images.