252df‖Contrast

NkEFQ‖Specifies the contrast for viewing the selected graphic image. Values from -100% (no contrast at all) to +100% (full contrast) are possible.

To access this command...

ebLJB‖From the menu bar:

MxeMD‖Choose Format - Image - Color.

sXy2C‖From toolbars:

jCGCt‖Icon Contrast

jtCLn‖Contrast