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Tutorials |
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Adjust color saturation |
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How we see an image is affected by color saturation—the less gray in a color, the more saturated it is. If one color is more saturated than others, it can dominate the image. If colors aren't saturated enough, the image may appear lifeless. But you don't need to use high-saturation films (sometimes labeled "vivid color") to brighten your photos. Adobe® Photoshop® 7.0 provides all the tools you need to reduce or intensify saturation—whether you're making subtle corrections to an image or dramatically altering the saturation for an artistic effect.
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1. Create an adjustment layer.
In Photoshop, choose Layer > New Adjustment Layer > Hue/Saturation, and name the layer "Hue/Saturation." Adjustment layers let you experiment with saturation levels without permanently changing the pixels in the image. You can modify the saturation of the image directly by choosing Image > Adjustments > Hue/Saturation, but an adjustment layer gives you more flexibility. |
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2. Adjust the overall color saturation.
Select Preview in the Hue/Saturation dialog box so that you can see how your changes affect the image. Choose Master from the Edit pop-up menu. Drag the Saturation slider until you achieve the effect you want. When Master is chosen from the Edit pop-up menu, adjustments you make in the Hue/Saturation dialog box affect all the colors in the image. |
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3. Adjust the saturation for a specific color range.
In the Hue/Saturation dialog box, choose a color range, such as Reds, from the Edit pop-up menu. Then drag the Saturation slider. Only the colors in the range you specify are affected by the new saturation value. To specify a more precise color range, drag the range boundaries in the color bars at the bottom of the Hue/Saturation dialog box. Often, you want to adjust the saturation for one particular range of colors. For example, a digital camera might produce photographs with oversaturated reds. |
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4. Alter the effect of the saturation.
Select the Hue/Saturation layer in the Layers palette. Type a new value in the Opacity field, or click the arrow and then drag the Opacity slider. The saturation effect changes as you decrease the opacity of the adjustment layer. If you want to fine-tune the saturation levels in the Hue/Saturation dialog box, double-click the Hue/Saturation layer thumbnail in the Layers palette. Modifying the opacity of the adjustment layer changes its relationship with the image. You can also experiment with different blending modes, such as Multiply or Soft Light, to achieve different effects. |
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5. Adjust the saturation for a specific area of the image.
To adjust the saturation of all colors for a specific area, select the image layer (not the adjustment layer). Select the sponge tool. In the options bar, set brush options, choose Saturate or Desaturate, and specify the flow for the tool. Drag the sponge tool over the area you want to modify. Alternatively, you can create a layer mask to adjust the saturation for a particular color range in an area. (For help creating a layer mask, see "Using Layers" in Photoshop Help.) The sponge tool changes the saturation for all colors in an area. The Flow value determines how subtle or dramatic the change is. |
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