Color Adjustments

For Brightness: Negative values give a darker image. Positive values give a brighter image.

For Contrast: Negative values give lower contrast, causing dark areas to appear brighter and bright areas to appear darker. Positive values give higher contrast, causing dark areas to appear darker and bright areas to appear brighter.

For Gamma: The value specifies non-linear gamma correction. Values less than 1 give a darker image. Values greater than 1 give a brighter image.