Ya out of habit I set them (white fulcrum and contrast gray) every time assuming it will give the best mask for shadows mids and highlights for a particular image and therefore make the adjustments selected more targeted. Its also quite amazing some times just tweaking mask middle gray fulcrum to the left or right… I admit I don’t often play with the fall off sliders… Just the 3 mentioned… Your videos are always so very impactful it might be nice to see you explore this aspect and demonstrate how you would leverage that mask to enhance the adjustments…
2 Likes
Thanks a lot @s7habo. Your demonstration of hue shift in darktable and gimp (2:07 ff) and the following demonstration of hue preservation is excellent!
This video is a must watch not only for portrait photographers.
2 Likes
Really nice, It took me some time to get what you explain here, hue shift really is a big one on the annoyance to get rid of.
I also really liked the other video you pointed to and how he highlight the fact that desaturation on highlight convey additional sensation of brightness when the coloured zone/object is already at max luminance.
thanks again !
1 Like
As always very nice video, thanks!
2 Likes
Excellent tutorial thank you
2 Likes
New episode: Use of masking options in the color balance rgb module
Raw file in the video was used from:
by Brian Poindexter (c)
Licensed under a (CC-BY-SA)
I didn’t try the processing additionally also with sigmoid, because I focused first on color balance module. I will do that in the next episode, since I wanted to introduce sigmoid briefly anyway.
21 Likes
A very nice video tutorial 
. I will forever be “food-processing” these flower images I take. Every year I do this I get new challenges.
One comment I would share is that one way to kind of bump up the overall brilliance, without losing too much petal surface texture detail, is to use the “home grown local contract” trick where one can use some kind of blur effect in subtract mode. Starting with an image that is a bit “bright”, it will darken the image (or the affected masked areas if masks are used) as well increase surface details, after which you can use an instance of exposure with a raster mask to bring it back up to what suits the look. I used that technique with my own edit of this image and it worked really well.
Using sigmoid on this image, as another experiment, I was able to get close to my “best” edit (using a doctored version of filmic v6). I still like my original best, but the Sigmoid version I ended up with was almost as good.
3 Likes
Thank you Boris.
You make it easy!
2 Likes
Nice use case of the mask tab of RGB color balance, I never ventured there (is 2 tabs the max for me ?) so never really understood it but now I know what’s it’s used for 
1 Like
Great couple of videos, particularly the explanation of what’s happening behind the colour shifts, Boris. Many thanks for your efforts. I always struggled to make sense of the display mask function on Color balance RGB but looks like it’s been updated and is clearer now? (I haven’t updated to 4.2 yet) or your use of it is better than I ever managed. Cheers
3 Likes
New episode: Comparison between filmic and sigmoid tone mapper modules:
Note:
Although I took care to make an objective evaluation, the comparison is based on my own workflow and accordingly it may be that I did not consider all aspects.
Nevertheless, I think you can get a good first overview of differences and similarities of both modules.
40 Likes
Excellent. Can’t wait to watch this later tonight
1 Like
Hello,
Congratulations for this video. It is very instructive. 
I agree 100% with your conclusion.
Thank you very much for your videos,
Greetings from brussels,
Christian
3 Likes
Thank you very much for the video. In each episode one can get so many new tips and tricks.
Comparing Filmic and Sigmoid I came to a similar solution: If the dynamic range of a photo is really high filmic is the better choice, in other cases with Sigmoid you can get faster good looking results.
2 Likes
Thanks for the video! Very good as always. I like sigmoid a lot, after some initial doubt - I think you did a very fair assessment of the two tonemappers. 
1 Like
I see you left v5 out of the discussion . I have found the ability to tweak saturation in v5 and the lack of the gamut handcuffs is useful many times where the newer version needs more support from other modules… I guess comparing v6 to sigmoid is a more straightforward framework for the video…
Hi Todd. You mentioned a macro for use with filmic v5 in a comment on YouTube. What were you referring to? Thanks
1 Like
In some cases it can be helpful to go back to the “older” V5 version, but that is not always a good substitute for V6.
In the example of the sunflower I processed in the video, with V5, no matter what method of chrominance preservation you use, desaturation takes place way too early, before you reach the limit of dynamic range in highlights.
Of course you can compensate this with the “mid-tones saturation” slider, but then you have to reckon with over-saturation in other areas.
Although you can get better results in the end, I find juggling 4 different color sciences, each with 4 different algorithms for perservation of chrominance overkill.
Indeed. Going back to V5 was not necessary in the examples, would have required an additional explanation and would not have changed the fact that you still have to pick up on other modules when using filmic.
3 Likes
Thanks Todd