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HomeWeb Front-endPS TutorialWhat is the principle of PS optional color matching?

What is the principle of PS optional color matching?

I believe that many people have used the color adjustment command of the optional color in PS, but there are very few people who truly understand the principle and adjust the color they want at will. Let me analyze the available colors below.

The first selectable color is the subtractive color mode, the principle of which is to mix and match inks.

The 4 basic colors of ink: CMYK - cyan, magenta, yellow, and black.

Let’s look at the color diagrams obtained by mixing the three colors of cyan, magenta, and yellow:

What is the principle of PS optional color matching?

##The three primary ink colors of cyan, magenta, and yellow It is the complementary color of the three primary colors of RGB light. The following is the corresponding relationship between complementary colors:

Red--Cyan

Blue-red--Yellow
Green--Purple

The relationship between complementary colors means that if you have me, you will not exist. Without you, there would be no me. So they are called complementary colors, (forgive me for my serious nonsense)

In optional color mixing, we change the content of cyan, magenta, yellow, and black to change the color.

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Okay, let's start now. You have these 4 inks in your hand.

What should I do when I want to make it red? Very simple, from the picture above we can find that red = yellow magenta. That is when I want red. I can get red by mixing magenta and yellow.

Similarly: Blue=Cyan, Magenta

Green=Magenta, Yellow.

At this time, there must be many people who cannot remember. right? Look at the picture above. I definitely know. But when there is no such picture. How do I remember it? . Okay, now we have to look at the complementary color relationship mentioned above.

Red and cyan are complementary colors, right? They have an incompatible relationship, right? With me, you don’t exist, right? After removing the cyan, are the remaining magenta and yellow in CMY? Does mixing magenta and yellow make it red?

In other words, if you mix the three colors magenta, yellow, and cyan with the other two colors, you will get the complementary color of the remaining color.

You just need to remember: red, blue, blue, yellow, green and purple, and purple is the magenta mentioned above.

Now we will explain it through a few examples:

Example: I want to adjust yellow to cyan, how to adjust it?

First of all, these two are the basic colors in CMYK. We only have these 4 colors of ink. (I emphasize again: the optional colors are changed by changing the content of these four inks).

Change yellow to cyan. I just need to select the yellow and then lower the yellow ink level to zero and the cyan ink level to 100.

What is the principle of PS optional color matching?

What is the principle of PS optional color matching?

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