Artistic Nodes

Adjustment

Channel Mixer	Contrast
Controls the amount each of the channels of input In contribute to each of the output channels.	Adjusts the contrast of input In by the amount of input Contrast.
Hue	Invert Colors
Offsets the hue of input In by the amount of input Offset.	Inverts the colors of input In on a per channel basis.
Replace Color	Saturation
Replaces values in input In equal to input From to the value of input To.	Adjusts the saturation of input In by the amount of input Saturation.
White Balance
Adjusts the temperature and tint of input In by the amount of inputs Temperature and Tint respectively.

Blend

Blend
Blends the value of input Blend onto input Base using the blending mode defined by parameter Mode.

Filter

Dither
Dither is an intentional form of noise used to randomize quantization error. It is used to prevent large-scale patterns such as color banding in images..

Mask

Channel Mask	Color Mask
Masks values of input In on channels selected in dropdown Channels.	Creates a mask from values in input In equal to input Mask Color.

Normal

Normal Blend	Normal From Height
Blends two normal maps defined by inputs A and B together.	Creates a normal map from a height map defined by input Texture.
Normal Strength	Normal Unpack
Adjusts the strength of the normal map defined by input In by the amount of input Strength.	Unpacks a normal map defined by input In.

Utility

Colorspace Conversion
Returns the result of converting the value of input In from one colorspace space to another.