Color Key Node
The Color Key node creates a matte based on a specified color of the input image.
Inputs
Image
Standard color input.
Properties
Color
The sliders represent threshold values. Higher values in this node’s context mean a wider range of colors from the specified will be added to the matte.
Hue, Saturation, Value
Outputs
Image
Image with its alpha channel adjusted for the keyed selection.
Matte
A black-and-white alpha mask of the key.