The tutorial palette uses the channel substitution method. Replace the blue channel directly with the green channel, make the cyan image, and then color the two colors, turn to the tan you need.
Original
< small map view big picture >
Final effect
1, open the original material, press CTRL + J to copy a layer of background layer. Enter the channel panel, select the green channel, press CTRL + A all, and press CTRL + C to copy. Select the blue Channel Press CTRL + V paste, point RGB channel, return to the layers panel, the effect of the following figure.
< map 1>
2, create hue/saturation adjustment layer, the red, cyan adjustment, parameter settings such as Figure 2, 3, the effect is as Figure 4. This step turns the background cyan and red to light yellow.
< map 2>
< map 3>
< map 4>
3, create an optional color adjustment layer, yellow, white, black to adjust, parameter settings such as Figure 5-7, the effect is shown in Figure 8. This step softens the background yellow.
< map 5>
< map 6> categories: