Changing image color depth
You can modify an image's color depth in the Viewer. Color depth
refers to the range of colors an image contains.
To change the color depth of an
image:
Click Modify | Change Color Depth, and select one of
the options described below.
Color depth options
|
Black and White
|
Two-color black and white palette
|
|
16 Grays
|
16-color grayscale palette
|
|
256 Grays
|
256-color grayscale palette
|
|
16 Colors
|
16-color palette
|
|
256 Colors
|
256-color palette (GIF format uses 256 colors
by default)
|
|
Hicolor
|
32,768-color palette
|
|
Truecolor
|
16,777,216-color palette of all colors
visible to humans
|
|
16 bit grayscale
|
16-bit grayscale palette
|
You can use ACDSee to convert an image
to any of these color depths. However, to use certain image
enhancement tools, filters, blends, and adjustment options, the
image must be Hicolor
or
Truecolor
. To edit an image that is not
originally Hicolor
or
Truecolor
, you can convert it, edit the image,
and then convert it back to its original color depth.
|