Colour banding

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(Redirected from Color banding)
Missing image
Colour_banding_example01.png
Colour Banding Illustrated

Colour banding is a problem of inaccurate colour presentation in computer graphics. While in 24 bit colour modes, 8 bits per channel should be enough to render images in the full visible spectrum, in some cases there is a risk of producing abrupt changes between shades of the same colour. For instance, displaying natural gradients (like sunsets, dawns or clear blue skies) can show minor banding.

Colour banding is more present with relatively low bits per pixel at 16-256 colours (4-8bpp), where not every shade can be shown because there aren't enough bits to represent them.

A possible solution is to introduce dithering, or increase the number of bits per channel.

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