This image was generated by using the following prompt:
Prompt: Darth Maul looking at the camera, portrait photo, isolated black background.
Negative prompt: (worst quality, low quality, normal quality:1.8).
Select half of the face with a marquee selection tool and create a new layer.
Fill the new layer with red. Press [Control + Shift + I] to invert the selection. Create a new layer and fill with b
Select two color layers and change the layer Blend Mode to [Hue].
Go to [Image -> Adjustments -> Vibrance].
This is the end of the tutorial. 🙂