USE THE LAYER MASKS AND ADJUSTMENT LAYERS TO ADJUST THE SKIN TONE IN AN IMAGE WITH PHOTOSHOP

use the layer masks and adjustment layers to adjust the skin tone in an image with Photoshop

(Image>Adjust>Auto Levels)

This approach automatically optimizes the image in a basic way, setting a white point and black point and distributing the mid values throughout the range. There is no dialog box here, just select the menu command and see what it does. If youre a beginner, this command can be a good place to start correcting the image. For decent photos it can make them better with a mouse click. Be prepared to hit Undo, however, as this ones misses the mark as often as it hits it.

The second reason for so many controls is that the science of color involves a number of variables, which can be manipulated globally or within smaller subsets. Sometimes you just want to change one of these components with a more specialized tool rather than using a general-purpose tool for global corrections. For example, changing a slight color cast involves a different approach than tweaking the hue or saturation. In addition, making a global change in overall contrast would be very difficult if you had to change hue, saturation, or brightness independently. In short, each tool has its place, depending on the task at hand.

Most of the color controls in Photoshop are located in the Image menu, under the adjust submenu. I'll briefly describe them in the pages that follow.(Image>Adjust>Levels)

The Levels Control is another way to modify the color in an image. Like curves, Levels also lets you change the color across the tonal range, modifying a composite image or individual color channels. The dialog features a histogram method of displaying image data that is unique and sometimes useful. It shows the full range of tonal values, from light to dark, on a linear scale. A graph rises and falls across that scale, indicating the actual number of pixels in the image that have the corresponding value. Therefore, as a general rule you would want a nice rounded curve that is highest in the mid-tones, with good representation in the highlight and shadow ends of the spectrum.

The Levels control uses highlight, midpoint, and shadow slides, which shift the image values in the histogram, lightening or darkening the image. I find this three variable approach limiting compared to the unlimited number of points I can place and manipulate on a curve. On the other hand, until I became comfortable with color numbers, Levels was my main color control. It also allows you to set white and black points, and delivers decent results for basic to intermediate changes.

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