LAB mode for color grading wedding photos – color grading for people

LAB mode is used to colorize wedding photos

Most of us usually use RGB mode when using Photoshop. In fact, I think LAB mode is also very useful. Let’s talk about some of the ways I used LAB mode to adjust colors in the past. For reference.

Everyone knows that LAB mode has three channels: one is the brightness channel, and the other two are the A and B channels. The “luminance channel” is the brightness channel, and the color will not change when you adjust it. A and B are color channels and their adjustment is Color changes. The color change of the A channel is simply green → gray → red, and the B channel is yellow → gray → blue.

Method 1

Look first Just made oneEffect.

Original image:

Effect:

Here’s how to do it:

1. Open the picture, copy, and auto-level .

2.Execute “Image – LAB mode”

3. Click the channel, select all channel a, copy, click channel b, and paste.

4. Finally switch back to RGB mode (attach Simple process diagram)

methodtwo

Same operation, we select channel b and paste it into channel a!

Let’s take a look againEffect!

Then make appropriate adjustments, opacity or change the mode, the effect will be different.

Simple step-by-step diagram

Some people will say here that the character’s Skin The color is ugly. This is simple, just add a mask, erase it, and do some simple processing.

MethodThree

Open the picture Copy automatic color levelsExecution Image LAB mode

Here we calculate as shown in the figure

Then go back to the layer to adjust the opacity or mode.

As shown in the picture

The last one is the key.

Here you can use hue and saturation to adjust any color you need.

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