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Brightness | Adjusts the overall lightness of the layer. Zero yields the original colors of the layer, unchanged. Positive values make the layer lighter, and negative values make the layer darker. +100% will give pure white, and -100% will give pure black, assuming no adjustment in contrast. Range: -100% to +100%; Default: +0% |
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Contrast | The separation of light and dark colors in a layer. Zero yields the original colors of the layer, unchanged. Positive values push light and dark colors further apart, increasing the contrast and making details in the midtones more obvious. Negative values pull the ligher and darker colors closer together towards a medium gray. Range: -100% to +300%; Default: +0% |
Usage
Images and Video
Brightness/Contrast is best used with image and video layers.
When correcting color in photos and video, subtle adjustments to brightness and contrast usually produce better results than extreme adjustments. Note that extreme adjustments in brightness or contrast can cause clipping of colors or loss of color resolution.
Use Cases
- Useful for correcting images that are too bright or dark (but see also Highlights and Shadows and Exposure / Gamma for finer control)
- Animate Brightness and Contrast together to create sophisticated fade-to-white or fade-to-black transitions.
- Useful to fine-tune grayscale maps before applying affects such as Displacement Map or Bump Map.
See Also
- Exposure / Gamma
- Highlights and Shadows