Photoshop creates nostalgic blue and yellow pictures of beautiful women in ancient buildings

Source: Colorism Author: Dilute Material Pictures choose ancient buildings as the background, so when coloring, you need to match the background and add some more nostalgic classical colors. The author chose blue and yellow, which is very good.
Original picture

final effect
1. Open the material picture and copy the background layer.

2. Press Ctrl + Alt + Shift + 2 to bring up the highlight selection, create a new layer and fill it with light yellow, and change the blending mode to "Multiply".

Create an optional color adjustment layer to enhance the red color of the flower and make the skin redder. Set the parameters as shown below.

4. Create a color balance adjustment layer, adjust the highlights, make it overall transparent, and add yellow. The parameters are as shown below.

Create an optional color adjustment layer and adjust the black so that the dark parts appear blue-purple and have a unified tone, as shown below.

6. Also select the highlight area and create a color balance adjustment to brighten it a little. The mask is to not brighten the dark parts and enhance the contrast.

7. Create a brightness/contrast adjustment layer to slightly brighten the overall image. Set the parameters as shown below. I felt it was a bit overdone and the details were lost, so I lowered the layer transparency.

Create a Curves adjustment layer, adjust the blue color, set the parameters as shown below, and unify the tone for the last time. After confirmation, change the blending mode to "Color", as shown below.

9. Stamp the layer, execute: Filter > Sharpen > USM Sharpen, and set the parameters as shown below.

Then use Smart Sharpen to sharpen the entire image.
final effect