Answer:
Noise.
Step-by-step explanation:
In Photography, Noise is the term used to refer to visual distortion of a picture. It makes a photograph obscure making the image look worse.
It can be viewed as a grainy veil of a photograph. Noise may also appear like splotches of discoloration that makes the photograph look bad. When capturing pictures in low or bad light, noise tends to bomb the photographs.
So, the flecks of random color that appear in a photograph is called noise.