The Invert (video) effect inverts the color information of an image.

Channel

Which channel or channels to invert. Each group of items operates in a particular color space, inverting either the entire image in that color space or just a single channel.

RGB/Red/Green/Blue

RGB inverts all three of the additive color channels. Red, Green, and Blue each invert an individual color channel.

HLS/Hue/Lightness/Saturation

HLS inverts all three of the calculated color channels. Hue, Lightness, and Saturation each invert an individual color channel.

YIQ/Luminance/In Phase Chrominance/Quadrature Chrominance

YIQ inverts all three NTSC luminance and chrominance channels. Y (luminance), I (in‑phase chrominance), and Q (quadrature chrominance) each invert an individual channel.

Alpha

Inverts the alpha channel of the image. The alpha channel isn’t a color channel; it specifies transparency.

Blend With Original

The effect’s transparency. The result of the effect is blended with the original image, with the effect result composited on top. The higher you set this value, the less the effect affects the clip. For example, if you set this value to 100%, the effect has no visible result on the clip; if you set this value to 0%, the original image doesn’t show through.