As used in this web site, color correction is the removal of unwanted
color casts by neutralizing blacks, grays and/or whites.
Color balance is an image's overall color bias toward a primary or secondary
color. Color replacement is the changing of an object's hue without
changing the object's underlining tone and texture. The
Color Balance page explains how to adjust an image's color balance.
Color replacement is discussed on the
The two color correction controls discussed on this web site are Levels and
Curves. For each control, both the eyedropper technique and
color channels technique are explained. Click in the sidebar to go to
the topic of your choice.