This image was generated by using the following prompt:
Prompt: A man standing in the isolated background, full body is shown.
Negative prompt: (worst quality, low quality, normal quality:1.8).
Let’s [remove the background].
Open the image with no background in Krita. Create a new layer, and place it at the bottom of the layers list.
Fill the bottom layer with any colors.
[Control + Click] the human image layer to select only the human image.
Fill the selection with black.
This is the end of the tutorial. 🙂