LUT stands for “lookup table” and a LUT file is actually a simple text file that contains a list (or table) of colors. There are 8 ‘1s’, therefore 8 bits of data are needed to express this value. But the value 2 in the decimal system is expressed as 10 in binary. base-10) system that most us are used to. 0 in binary is the same as the value 0 in the decimal (a.k.a. It’s called 8-bit color because, when counting in binary, 256 values (from 0 to 255) require 8 bits of data. To create orange, you’d shine the red light at 100% intensity and the green light at 50%. To create yellow, you would shine both the red and green lights at 100% intensity.
USE LUTS AS WINDOWS COLOR FILTER FULL
To create pure red, you’d just shine the red light at full intensity and turn off the other two lights. With 256 intensity values for each color, we’d be using an 8-bit-per-channel color depth. Every digital color can be expressed in RGB values, by specifying the intensity of each color using numbers from 0 to 255, for example. Imagine you have three colored lights: red, green, and blue. You do this by varying the intensity of each primary color. Using the three additive primary colors – red, green, and blue – you can create a much wider range of colors, pretty much every color you could need.
Quick overview of digital colorīefore we get into the finer details of how LUTs work, let’s start with a quick recap of how digital color works. We’ll be focusing mostly on using LUTs for creative effect. LUTs are very common in the film industry and, equally often, they’re used not just creatively – to get a certain look and feel – but also to match the look of different cameras or correct unwanted color shifts. That’s a basic (although very simplified) way of looking at LUTs.
USE LUTS AS WINDOWS COLOR FILTER HOW TO
Pixelmator Pro now includes support for LUTs and, in this tutorial, we’ll explain what exactly these files are and how to use them.įirst of all, what is a LUT? Imagine if the filters from your favorite filter app could be shared to other editors and even video editing apps so you could get the same look everywhere. An in-depth look at 3D LUTs in Pixelmator Pro
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