How Does RGB Work? Channels in Photoshop

What is RGB? Does your screen cheat your eyes? How do Red, Green, and Blue combine to give the desired color? Or Do they really combine? How does the math work?

Almost all the color screens of the world today, whether it’s your smartphone or your TV, is dominated by RGB Technology. We know that RGB stands for Red, Green, and Blue, but, how do they together form the visuals that you witness? Does every image that you see on your screen is comprised of these three colors? In this video, we are going to prove that ANY given image is formed with these three colors right inside of Photoshop.

This is the basic concept behind channels in Photoshop. We will be working with channels panel to split the image into these three colors and combine them again to form the image. We will look into what channels are in Photoshop and what is the basis of their formation. Also, we will learn how to select areas by colors of the channels and adjust that accordingly.

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Unmesh Dinda
C/O Santanu Nandan Dinda
Quarter No. 303, Tapovan International School Campus,
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