Blend modes, also known as blending modes are use to determine how colors from two or more layers interact and blend together to create a composite image. in this Article, you will learn about Adobe Photoshop “DIFFERENCE” blend mode and what it is used for, with image to practice with. Download this PSD file to follow along this course.

Download: https://drive.google.com/file/d/1Hv4i4VMxG3wDwPRnhLxKl2hfs2g5t8Hy/view?usp=drive_link

How to Open PSD file
Double click on the downloaded PSD file, if you've installed Photoshop, it will automatically open.

Difference Blend Mode: It's used for inverting an image color. You'll notice this when the color fill is set to white and the blend mode is change to "difference"

Practice 01:
1. Invert the “Copy” layer by pressing this keyboard keys (CTRL + I) or (CMD + I)
What happen is, it shows you the inverse of the colors in the image. You'll notice the dark areas are made white, this is because the opposite of black is white.

2. Turn off the “Copy” layer
3. Turn on the “Color Fill” layer
4. Change it blend mode to “Difference”
What will happen is it invert the image colors, giving you the exact result of the inverted “Copy” layer.
 

Other facts about the “Difference” blend mode
1. When applied to same images it result to a plain black
2. it subtract the colors on the blend layer (the layer you applied the blend mode to) from the underlying layers. this doesn't mean it desaturate the color like the hue/saturation adjustment layer do.
 

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Click Here to Learn About Other Blend Modes
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