Question / Help Contrast problem !

[Sukatshi]

Hi I got a problem because on my obs the image shows like in the game but when I watch the replays on twitch.tv it appears to be darker than what I see in OBS. Can anyone help me ?
I joined 3 pics : one of the game, one of OBS and one of a twitch replay.

Best regards

 

[EBrito]

Settings, Advanced, YUV Color Range: change to Partial

 

[Suslik V]

What parts of the image you consider darker?

 

[Sukatshi]

I'd say in the game it's the most obivous look at the difference between the green on the replay and the green on the game. Definitely darker on the twitch replay

 

[sam686]

If the colors looks wrong, but the black, gray, white looks ok, this might be an incorrect bt.709 bt.601 settings. Try changing it in OBS advanced settings. BT.709 can be used for HD stuff.

 

[Suslik V]

Before making any changes to your setup, please, take a look at: OBS Studio: Color Space, Color Format, Color Range settings Guide. Test charts.

 

[Sukatshi]

https://www.twitch.tv/videos/186575751 here are the results seems fine :o that's strange

 

[Suslik V]

You think so? Try to switch quality in Twitch's player to something lower then 1080 (360p for example) and compare the range table again.

 

[japurple]

The frame that shows your Game: Properties -> Allow Transparency [UnCheck]

 

[sam686]

The color range and color matrix/primaries is flagged in h264 stream, relying on the decoder to use the correct range and matrix.

The problem is with the Twitch's transcoding to 720p and lower, removing this extra flags, so the full range becomes chopped off with wrong range at 360p, 720p, and lower. Decoders will default to limited range.

Switch to limited range, then the lower resolutions would look better.

Used StreamLink to download your video. 1080p works fine.
1080p: (used Mediainfo)
Color range : Full
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

360p and probably everything except 1080p/source have some problems: none of the above is shown and decoders default to a wrong, limited range, bad black levels.