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Graphic Design vocabulary · Image Formats & Resolution

Indexed colour

Meaning in graphic design, with examples

nounAdvanced term

In graphic design, indexed colour means: Image encoding in which pixel values refer to entries in a colour palette.

In Turkish: indeksli renk

How it is used

Use when discussing palette-based files and their colour limitations.

Example sentences

  1. Indexed colour reduced the number of colours in the small diagram.

    Pixels draw their colours from a defined lookup palette.

  2. The gradient became uneven after conversion to indexed colour.

    A restricted palette may lack enough intermediate shades.

Common collocations

  • indexed colour palette
  • convert to indexed colour
  • raster imageA digital image made of a grid of tiny coloured squares called pixels, such as a photo. It has a fixed resolution, so it loses quality when enlarged too much.
  • resolutionThe amount of detail in a digital image, shown by how many pixels it has or how many pixels or dots fit into one inch. Print usually needs about 300 dpi at final size.

More terms: Image Formats & Resolution

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