# Keyword Reference

# $tagGDIP_EFFECTPARAMS_ColorLUT

ColorLUT effect parameter structure

Global Const $tagGDIP_EFFECTPARAMS_ColorLUT = "byte LutB[256]; byte LutG[256]; byte LutR[256]; byte LutA[256]"

## Parameters

LutB | an array of 256 items for Blue
LutG | an array of 256 items for Green
LutR | an array of 256 items for Red
LutA | an array of 256 items for Alpha

## Remarks

look up tables for each color channel.