Color Balance

This Color Balance allows you to select the ratio of R (red), G (green), and B (blue), and to set the saturation, luminance, and contrast levels.

Setup dialog

Select a color by dragging the sliders for Saturation, Luminance, Contrast, Red/Cyan, Green/Magenta, and Blue/Yellow. You can also enter numeric values in the boxes.
Safe Color button:
Click this button, checking it, to limit the luminance of color settings to the safe range.
Default button:
Returns the settings to the default values (no color correction).