The color of the picture is mainly green, to be proportional to the appropriate two-color picture is really a bit difficult, you can consider the picture of the middle part of the color and other parts of the color separation, so that color matching is much easier.
Photoshop Tutorial artwork
< small map view big picture >
Final effect
1, open the material picture, create an optional color adjustment layer, green, neutral color adjustment, parameter settings such as Figure 1, 2, the effect is as Figure 3. This step turns the green color of the picture to yellow-green, and the midtones to blue. This step is more important to facilitate the back color.
< map 1>
< map 2>
< map 3>
2, create curve adjustment layer, the red, green, blue channel adjustment, parameter settings such as Figure 4-6, the effect is shown in Figure 7. This step turns the main color of the picture into yellow and purple.
< map 4>
< map 5>