How to keep picked color matching final output png?

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Hi,
I need to keep the color picked from screen to match the final rendered PNG color.
I disabled 'Apply color correction' in color picker. The color parameter looks same as my sample picture.
And I disable all other material component but the "Emission" color which I've picked.
But the final color is still brighter than color parameter.
How to keep them same?

Thanks!
Edited by jerry7 - Aug. 27, 2024 20:21:08

Attachments:
color.png (124.3 KB)

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jerry7
I need to keep the color picked from screen to match the final rendered PNG color.

It depends on what you mean by "pick". Numerically, the color you've entered is the color you get before the display transform is applied. You'll have to figure out the color you want to be displayed, and then inverse the display transform to get the numerical value to enter. The color picker ui has options that indicate that they might help do this, but ignore them. Most of these options don't do anything and some of them do the opposite of what you want, twice over.
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The viewport color is right when I set view to raw. But the rendered image is not the same.
How to render out the raw color?

Attachments:
color.png (717.8 KB)

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jsmack
Most of these options don't do anything and some of them do the opposite of what you want, twice over.

Is it a logical bug?
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jerry7
The viewport color is right when I set view to raw. But the rendered image is not the same.
How to render out the raw color?

check the gamma, setting to raw causes it to apply the current gamma setting which you can only see by disabling OCIO and switching to legacy color correction. I think it's a bug in the cop viewer that the gamma defaults to 2.2, but maybe also mplay.

They are probably the same, just being viewed differently.

Edit:
I see the same bug when I render to mplay. the default gamma is 2.2, so when setting view to Raw, the CC applied is a gamma 2.2 instead of none.
Edited by jsmack - Aug. 28, 2024 11:19:08

Attachments:
gamma_setting_mplay.png (460.0 KB)

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