Partial Black & White Effect using Photoshop CS6 | TrickyPhotoshop

STEP 2

Press F7 to open your layer panel. After that click on Layer Mask of the Gradient Map adjustment layer.

Now grab Brush from the tool panel. You can also press Shift+B again and again until it comes. Set the hardness to around 10-20% and size as per your requirement. Change the foreground color to black.