Color DepthColor Depth refers to the number of bits (binary digits) of computer memory that are used to store color information for an image (typically a bitmap) or for a device (such as a screen).
The greater the color depth, the more colors may be stored, and this also determines how many different colors the image or device may simultaneously contain/display.
The most commonly used color depths are as follows:
At higher color depths there is little point in using a palette and instead the the color of each individual pixel is defined by three separate Red, Green and Blue values (see RGB) which are generated by dividing up the total color bits between the three channels:
*Note: Some recent Microsoft documentation uses "High Color" to refer to what we (and most others) call Deep Color.
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