The Multiply blend mode darkens images, the Screen blend mode lightens images, the Overlay blend mode both darkens and lightens to improve contrast, the Color blend mode allows us to add or change colors in an image without affecting lightness values, and finally, the Luminosity blend mode allows us to make changes to the lightness values of an image without affecting color. Add this extra step any time you apply the Unsharp Mask filter to give you better sharpening results!Īnd there we have it! Even though Photoshop includes up to 25 different layer blend modes depending on which version of Photoshop you're using, we've narrowed things down to just five blend modes you absolutely need to know. This effectively changes the blend mode of the Unsharp Mask filter you just applied to Luminosity, which means the filter is now safely ignoring the color information in the image and is sharpening only the lightness values. Immediately after applying the Unsharp Mask filter, go up to the Edit menu at the top of the screen and choose Fade Unsharp Mask:Ĭhange the blend mode in the Fade dialog box to Luminosity. We can use the Luminosity blend mode, along with Photoshop's Fade command, to limit the effects of the Unsharp Mask filter to just the luminosity values, ignoring the color. The only problem is that the Unsharp Mask filter sharpens both the lightness values and the color information, and this can lead to a more noticeable "halo" affect around people and objects in the image. Most people use Photoshop's classic Unsharp Mask filter to sharpen their photos, and there's certainly nothing wrong with using it. It may be a bit difficult to see the difference in the screenshots here, but try it on your own, switching between the Normal and Luminosity blend modes, and the difference will be easier to see, especially if your photo contains lots of reds and blues.Īnother common use for the Luminosity blend mode is when it comes to sharpening images. The color saturation has now returned to normal after changing the blend mode of the Curves adjustment layer to Luminosity. Here we have a photo of a nice holiday table setting, full of reds, oranges and yellows: By changing the Levels or Curves layer to the Luminosity blend mode, we easily avoid the problem by telling Photoshop to ignore the color information completely.ĭownload this tutorial as a print-ready PDF! Real World Example of the Luminosity Blend Mode Too much color saturation in a photo can wipe out important image details. By increasing image contrast, you're also increasing color saturation, especially in reds and blues, and sometimes you'll even see a shift in colors. The problem you can run into, though, is that Levels and Curves affect not only the lightness values in an image, they also affect color. For example, a very common photo editing technique is to use either a Levels or Curves adjustment layer to improve overall contrast in an image, and in many cases, this works perfectly. In photo editing, changing the blend mode of a layer to Luminosity is often a final step. Whereas the Color mode blends the colors of a layer while ignoring lightness values, the Luminosity mode blends the lightness values while ignoring the color information! Like the Color mode, Luminosity is found in the Composite group of blend modes along with Hue and Saturation, and is actually the exact opposite of the Color mode. Our fifth and final essential blend mode for photo editing in Photoshop is Luminosity. The Color blend mode allows us to add or change colors in an image without affecting the brightness values. As we saw, this makes the Color mode perfect for such things as colorizing black and white photos, and it's also great for more common tasks like changing someone's eye or hair color. On the previous page, we looked at Photoshop's Color blend mode which blends the color information (hue and saturation) of a layer with the layer or layers below it while ignoring the lightness values.
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