Negative Picture Effect
In this example you will learn how to convert a colored picture into negative
picture effect, I have a beautiful lady picture. Follow this example to make
this effect on any picture.
Step 1: Take any picture to modify I have selected a beautiful girl
picture.

Step 2: Make black and white photo effect, go to Image menu > Adjustment
> Desaturate.

Step 3: Now press Ctrl + I to make invert picture as given here.

Step 4: Change color settings, go to Image menu > Adjustment > Level
and set values.

Final Result
