The Film Grain tool adds grain-like noise, with softness controls for individual channels and shadow and highlight masking for greater realism.

Color Mode: Creates individual red, green and blue grain when on, monochromatic grain when off.

Amount: Controls the grain intensity.

Shadow Suppress: Percentage to which grain is withheld from shadow regions.

Shadow Threshold: Luminance level below which Shadow Suppress operates.

Highlight Suppress: Percentage to which grain is withheld from highlight regions.

Highlight Threshold: Luminance level above which Highlight Suppress operates.

Red, Green, Blue Softness: Blurs the grain on individual channels.

Component Balance: Effectively tints the grain.