Dell P2723DE 27" 1440p USB Type-C Hub Monitor - Manual (Page 65)

Operating the monitor │ 65
Saturation This feature can adjust the color saturation of the video
image. Use or to adjust the saturation from 0 to
100.
Press to increase the monochrome appearance of
the video image.
Press to increase the colorful appearance of the
video image.
NOTE: Saturation adjustment is available only
when you select Movie or Game preset mode.
Reset Color
Resets your monitor’s color settings to the factory
settings.