Using a curves or levels adjustment layer, this time select the middle eyedropper as the sampler and click on the new point. Add a point of reference here as “middle gray”.Įssentially, the threshold layer identified the darkest part of the image below, which in fact would be 50% gray because of the fill layer in difference mode.Ĭancel the threshold dialog and you can move the 50% gray layer to the trash if you like as we are finished with them. Now bring the slider up slowly to the right until you get a cluster of black to show. Move the slider all the way to the left (turning the image totally white). Bring this up through the layers palette, with the adjustment layer icon. Since we need to identify the darkest parts of the image, using a “threshold” adjustment layer makes the most sense. This will display anything that is 50% gray as the darkest parts of the image. Put this layer into “difference” blend mode. Add a blank layer above the background layer and fill it with 50% gray – Edit>Fill>50% gray. This method involves identifying middle gray. You can choose to do so if you desire or have Photoshop revert to the original settings as the default. Photoshop will ask you if you wish to keep the new settings as the defaults. Now simply use the shadow eyedropper to click on the shadow point and the highlight eyedropper to the highlight point. This will ensure the point will have detail. Double-click on the highlight eyedropper and set the brightness to 96%. Double-click on the shadow eyedropper to identify the brightness range. With the 2 points visible, add a levels or curves adjustment layer. You should see the 2 point added to the image, if you have not selected the point sampler tool (eyedropper) from the tool palette. Be careful not to select points in the image that are spectacular highlights.Ĭlick “cancel” as we no longer need the threshold adjustment layer. The reason we look for a cluster is for better sampling consistency. Place a point to reference the highlight point of the image. Now move the slider all the way to the right (this turns everything black) and start bringing it back to the left until white clusters appear. Place it over the cluster and click to add a point to the shadow area. Bring the cursor over the image and it turns into the eyedropper. Pull the slider all the way to the left, (this will turn the view entirely white) and start bring it slowly back to the right until black clusters appear. This will make the image black and white. ![]() With the same file open, go under the adjustment layer icon at the bottom of the layers palette and select “threshold”. That’s it! Doneīefore starting the next method, make sure that the eyedropper tool is set for 3 by 3 or 5 by 5 and not to point. When the levels dialog opens, go under each color channel and pinch in the shadow and highlight sliders so they are placed where the information begins in the histogram view of the dialog. We could make a copy of the background as a safety, but we are using an adjustment layer in this case. With the image open add a levels adjustment layer above the background. The first method will be the short and sweet one. Here are some techniques for using Photoshop to improve the color of your photographs. Sometimes getting the color balance right on digital shots is difficult.
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