Luminosity masking is a technique in Photoshop that allows you to create selections based on the brightness values of the image. This can be useful for making adjustments to specific areas of an image, or for creating masks that can be used to protect certain areas from being affected by other adjustment layers.
To create a luminosity mask, you first need to create a new layer in Photoshop. Then, go to the Select menu and choose Color Range. In the Color Range dialog box, select the Luminosity option from the drop-down menu.
Next, adjust the Fuzziness slider until you have a selection that you are happy with. You can also use the eyedropper tools to add or remove specific colors from the selection. Once you have a selection that you are happy with, click OK.
If you use luminosity masking, be sure to check your image carefully afterwards to make sure that you haven’t accidentally made any unwanted changes.
Now that you have a luminosity mask, you can use it to make adjustments to your image. To do this, simply add a new adjustment layer and then use the luminosity mask as a layer mask.
This will ensure that only the areas of your image that are within the selection will be affected by the adjustment layer.
Luminosity masking is an extremely powerful technique in Photoshop that can be used to make Targeted adjustments to an image. By creating a luminosity mask, you can selectively edit specific areas of an image without affecting the rest of the image. This can be extremely helpful when trying to achieve a certain look or when trying to correct specific problems with an image.