I am an old Flame user, since 1999, but first time needing to export a LUT. How do I do that? Tried chatgpt for workflow but it didn’t work for me.
I don’t think you can do this with Flame.
There are feature requests for this which you can upvote.
There are many trip wires to doing that successfully. What is your specific use case? Particularly, what operation are trying to capture in that LUT?
If you are generating (exporting) a CTF from your colour mgmt node you can then use 2026 pyopencolorio tools to convert to CLF or other LUT formats.
I suspect that ChatGPT might help you with this (with some trial and more error) but I strongly recommend that you ask @doug-walker for advice.
Obviously if you’re not creating a “LUT” with a colour mgmt node and doing something exotic then all bets are off.
(Although my bet would be that non standard activity will fail)
I’ll be releasing flame_colortoolkit shortly which will give you all the helper scripts to do this yourself (Doug explained to me how this works so the credit is all his really), but I’m buried in something in a raspberry pi, in a repo that I won’t be sharing
We exported a LUT for an ARRI camera once but it was just a CDL grade we did using the Look node.
Is there any way to output the Colorcorrect node settings as a LUT? My goal was to pass on the settings to someone using Premiere.
No, does not exist.
There are external tools that can take before/after images and create LUTs. But the results can be mixed.
Also, generating a LUT this way can only capture colors present in your sample image. Good enough to replicate same image in another app, but not necessarily replicate same correction on other shots with other exposure or color palette.
And as always any LUT can only capture global color changes, but not keyed or windowed, but shouldn’t be the case for color correct node, but applies to Image node.
So you can export a cdl from flame.
Read the help.
And you can import cdl to premiere.
Also
Read the help
Cdl is not technically a lut I guess, but it sort of is and besides, nobody cares.
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The only workaround is to replace your color correct node with a CDL node and recreate the look with just power, offset, slope and saturation if that is possible.
CDLs are the only universally sharable color corrections between apps.
This gives me a chance to pull out my CDL knowlegebase:
Slope, Offset and Power
Slope multiplies the code values with a factor.
Offset applies an offset (adds or subtracts) to all code values.
Power is the power function of the results.
With Slope and Offset you can produce both a Film Grade “Exposure” and “Contrast” and a Video Grade “Lift” and “Gain”
Exposure is achieved by Offset
Contrast is achieved by a combination of Offset and Slope
Gain is achieved by Slope
Lift is achieved by a combination of Offset and Slope
Gamma is achieved by Power
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It can feel a little unnatural if you are used to the colour correct tools but you can get there 
The Look node will do this for you
That’s true of any LUT, really. And they can change all colors, but possibly not in a desirable way if your original source didn’t have said colors another shot might start out having 
I wrote some ghetto PHP scripts in the past to generate a HALD image (I don’t even know what it stands for) to run through a CC and then back to generate a .cube file. It’s not perfect but works reasonably well, but it’s not particularly user-friendly. I did it originally to make a lut for OBS to fix (or try to anyway) a very crappy capture device with bad color.
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Yes, that is a valid approach.
As I understand it, a HALD image has every possible RGB color in it (or course at the granularity of the resolution you use. Thus it works better than a regular plate.