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# Factorio Prototype Docs Version 2.0.7

## ColorLookupTable :: FileName or `"identity"`Example code

A lookup table (LUT) for the color which maps the original color to a position in the sprite where the replacement color is found. The file pointed to by the filename must be a sprite of size 256×16.

## Examples

    "identity"

    "__core__/graphics/color_luts/frozen.png"

Type used in

- DaytimeColorLookupTable
- PodOpacityProcessionLayer::lut
- UtilityConstants::frozen_color_lookup