Guide: Choosing a Color and Saving the LUT
The below guide is for the executable.


Open File Explorer and navigate to the following directory:
C:\Program Files (x86)\Steam\steamapps\workshop\content\255710\2983036781\LUT Editor

Alternatively, find Lumina in the options menu and click "Launch LUT Editor".


In the LUT Editor folder, find the lut.exe file.
Double-click the lut.exe file to run the program.


The program will open a window titled "LUT Creator" with a color selection canvas.

On the color selection canvas, you will see several color squares representing different colors. Click on any square to select a color.

The selected color will be displayed on the color label at the top of the window, showing the RGB values.


You can also change the opacity of the color. A lower opacity means a lighter LUT. Adjust the opacity slider to your desired level.


A preview of the selected color with the chosen opacity will be displayed in the preview canvas at the center of the window.


Once you are satisfied with the selected color and opacity, click the "Save LUT" button at the bottom of the window.

The program will generate a custom LUT (Look-Up Table) based on the selected color and opacity, and save it as a PNG image file.

The custom LUT file will be saved in the "ColorCorrections" folder, located in the "AppData" directory of your system.

A merged LUT file will also be created by combining the custom LUT with the default image file provided, ensuring a visually appealing LUT.


After saving the LUT, the program will delete the custom LUT file and display a popup message confirming the save location.

That's it! You have successfully chosen a color, adjusted the opacity, and saved the LUT using the provided program. Please note that this is an early version, but the functionality works well.

Experiment in real time by selecting "merged_lut" in your Color Correction override options (in the Options menu or in Theme Mixer 2.5) and experiment with different color options by clicking "Save LUT" in LUT Creator. If you're feeling extra technical, replace the "default.png" file in the Steam Workshop folder of Lumina with your desired LUT to achieve even more customized looks.