How does Photoshop use magic wand to dye the selected area into the color I need?

Select the area with a magic wand, then set the foreground color and fill it in the selected area. The specific steps are as follows:

Materials required: PS CS6.

First, open the PS software, open the picture that needs to be modified, and use the magic wand tool to select the area that needs to be dyed.

Second, after the selection is completed, click "Pipette Tool" on the left toolbar.

Third, press Alt+Shift+ right mouse button to bring up the hue wheel, use the outer circle to select the approximate color, and use the square area inside to select the exact color as the foreground color.

4. Finally, press Alt+Del to fill the foreground color of the selection, and Ctrl+D to cancel the selection, and the operation is complete.