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Can someone kindly explain the difference between color and alpha output from the image texture node? I can't really find any useful information in understanding the difference between these two. Thank You So Much.

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Alpha datas are useful when you want to give transparency to an area of your material.

In the case of the Image Texture Alpha output, let say you have a PNG with a transparent background (0% alpha). Plug the Image Texture's Alpha output into the Alpha socket of the Principled (or into the Factor of a Mix Shader between a Diffuse and a Transparent shader), the alpha of your image will be recognized as the area that needs to be transparent.

enter image description here

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  • $\begingroup$ Thank You So Much :D $\endgroup$
    – Che Xuian
    May 5, 2020 at 12:20

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