Curve color grading in Lab mode

Source: Photo Processing Network Author: Unknown This tutorial briefly introduces the method of color adjustment in LAB mode. There are fewer color channels in the image in LAB mode, and then appropriately adjusting each channel image can have unexpected effects. The method is simple and practical!
Original picture

final effect

Open the original image selection menu: Image > Mode > LAB mode. After confirming, press Ctrl + M to adjust the curve. Adjust the curves for the brightness, a, and b channels respectively. The parameter settings are as shown in Figure 1-3. After confirming, the effect will come out after a little modification!