Unit 2 Color:
8 of 23
Remember bit-depth?
Key Point:
color bit depth
refers to the number of bits used to describe the color of a
single pixel.
The bit depth determines the number of colors that
can be displayed at one time. Take a look at the following table
to see the number of colors different bit depths can produce:
|
Bit-Depth
|
Number
of Colors
|
|
1
|
2
(monochrome)
|
|
2
|
4
(CGA)
|
|
4
|
16
(EGA)
|
|
8
|
256
(VGA)
|
|
16
|
65,536
(High Color, XGA)
|
|
24
|
16,777,216
(True Color, SVGA)
|
|
32
|
16,777,216
(True Color + Alpha Channel)
|
|
|