1. In the case of smart layers, whether it is a shortcut key or an adjustment command, the editability of the layer can be preserved, and it can be modified or restored

2. In the case of ordinary layers, it cannot be modified by using shortcut keys, but it can be modified by using the adjustment command

(1) Color scale

1. Shortcut key CTRL+L

2. Drag the slider to move left and right to enhance the contrast of the picture. The left side is the dark part, the right side is the bright part, and the middle is the middle tone

3. The output is to define the scale (0——255)

(2) Curve

1. Shortcut key CTRL+M

2. You can adjust the light and shade, but also adjust the color

3. The upper right corner is the bright part, the lower left corner is the dark part, and the middle is the midtone

(3) Hue saturation

① Hue: the original appearance of the color

② Saturation: the vividness of the color

③ Brightness: the brightness of the color

④. Change the color range: Adjust the color range on the top of the modification panel, or use the "small hand" to click the color to be changed in the picture below, and slide directly to change the saturation of the color (in the state of the small hand, press and hold the CTRL key , slide the mouse left and right to change the color directly)

(4) Natural saturation:

natural color transition

(5) Color balance: shortcut key CTRL+B key, adjust hue

To decrease a certain color, increase the complementary color of this color

(6) Brightness: Adjust the brightness of the whole picture

(7) Contrast: the brighter the brighter, the darker the darker

(8) Exposure: Better owe than expose

(9) Inversion: shortcut key CTRL+I, the color is relative

(10) Gradient mapping: the function of separating tones, giving the black and white in the picture, the contrast between light and dark, and replacing the original brightness color of the image with gradient color

PS (eight) basics

1. Color mode

2. Adjustment layers