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Colour Depth

Colour depth indicates the number of bits used for each colour component of a single pixel. It reflects the number of colours the monitor can handle; more bits means more colours, but it also means a larger the data size. Colour depth is especially important when working with graphics, photos, and videos.

Number of colours, if the model uses a system of three primary colours (RGB):
Monitor (according to the number of bits per channel)Number of colours
4-bit monitor4096
6-bit monitor262,144
8-bit monitor16,777,216
10-bit monitor1,073,741,824
15-bit monitor35,184,372,088,832
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