The Photoshop document after changing the blend mode of the "Gradient and Squares" layer to Overlay. Let's see what happens when I change the blend mode of the "Gradient and Squares" layer to Overlay:
This has the effect of boosting image contrast, which is why one of its most common uses in photo editing is to quickly and easily improve contrast in badly faded images. Anything on the layer that is 50% gray completely disappears from view. The Overlay blend mode both multiplies dark areas and screens light areas at the same time, so dark areas become darker and light areas become lighter. The black areas disappeared, the white areas remained unchanged, and everything else blended in with the solid blue color to give us a lighter result. When we set the layer to the Screen blend mode, everything became lighter. The white areas disappeared from view, the black areas remained unchanged, and everything else blended in with the solid blue color on the Background layer to give us a darker result. Just to quickly recap, we've seen that by changing the "Gradient and Squares" layer to the Multiply blend mode, everything became darker. The Layers palette showing both layers, with the top layer set to the "Normal" blend mode. Again, we have the Background layer filled with solid blue, and directly above it, we have a layer containing a horizontal black to white gradient along with a black square, a white square, and a square filled with 50% gray: Let's use our simple two-layer document once again, this time to see how the Overlay mode works. Each of these blend modes is designed to boost the contrast in an image, but the Overlay mode is by far the most popular and often used, and one you most definitely need to know.ĭownload this tutorial as a print-ready PDF! Next up in our look at the essential blend modes for photo editing in Photoshop is a blend mode that both multiplies dark areas and screens light areas at the same time, the Overlay mode.Īs we saw at the very beginning of our discussion, the Overlay mode is part of the Contrast group of blend modes, along with other blend modes such as Soft Light, Hard Light, Vivid Light, Linear Light, and so on. We've looked at the Screen blend mode which lightens images, perfect for brightening highlights and fixing underexposed photos. We've looked at the Multiply blend mode which darkens images, great for restoring shadows and fixing overexposed photos.
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