During the color grading in this tutorial, the author very cleverly copied a channel of the Lab channel to the RGB layer and appropriately changed the layer opacity. This has unexpected effects.
Original picture
final effect
1. Open the original image, copy one layer, and change the layer mode to Soft Light in order to increase the contrast.
2. Stamp the layer (Ctrl + Alt + Shift + E), go to Lab mode (Image > Mode > Lab Color), select Flatten, click on the channel panel, select the brightness channel, Ctrl+A to select all, Ctrl+C Copy, go back to the step before Lab color in the history, that is, the step of stamping the layer. Return to the layer panel, create a new layer and press Ctrl+V to paste it, and then change the layer opacity to 70%. The effect is as follows picture.
