Questions tagged [color-management]

In digital imaging systems, color management is the controlled conversion between the color representations of various devices, such as image scanners, digital cameras, monitors, TV screens, film printers, computer printers, offset presses, and corresponding media. Source:https://en.wikipedia.org/wiki/Color_management

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100
votes
2answers
30k views

Render with a wider dynamic range in cycles to produce photorealistic looking images

To get images that seem more photorealistic, not only a much wider Dynamic Range is needed, but also having the color information desaturate towards white as it would happen in an overexposed ...
23
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1answer
3k views

What is the the ASC-CDL node?

The color balance node in the compositor can be switched to use the ASC CDL How is it used? How is this different from Lift/Gamma/Gain? How do the Offset, Power, Slope options affect the image?
9
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1answer
2k views

Colour shift when viewing render outside of blender

So this is what occurs the left is original right is when its saved knowing tiff saves it raw, I did it and was able to open it in Photoshop the same way(correct) it was in blender but just like ...
29
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1answer
2k views

How can Blender be augmented to display color critical and accurate results?

If I need to use Blender within a colour-accurate workflow, what do I have to do to set that up (including hardware calibration, etc)?
15
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1answer
2k views

Are there significant differences between Filmic shipped with Blender and its development version?

I've just read that Filmic is not completely implemented: https://developer.blender.org/D2659. Notes: The results appear to be identical to the original Filmic config, but I left out some ...
19
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1answer
4k views

How to get accurate colors with Filmic Blender

I'm loving Filmic blender for the wonderful dynamic range. But I am not able to get accurate colors - it always looks little washed out. I understand that it's due to the wider dynamic range of the ...
31
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1answer
6k views

How to make 3D LUTs and use them in Blender?

Now that I understand a little bit more about how to work with Wide Dynamic Range workflow , scene referred datas and OPS(ASC CDL) node, I'm asking myself how to go further and create my own 3D LUT ...
9
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1answer
2k views

Using the False Color look in combination with the CDL Node to work on Wide Dynamic Range scenes

The color management for working in cycles can be enhanced to work with wide dynamic range scenes. The idea is to enable working with scenes containing values that exceed the conventional 0-1 range. ...
12
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4answers
2k views

Where do the white lines come from in my composite?

I'm having this issue for years now, and I'm not sure if I am doing something wrong on my end, or if what I would like to achieve - or expect to see - is even possible. My question is about ...
2
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1answer
537 views

Partly Ignored PNG Alpha?

I just selected some pixels in Photoshop and deleted them, so this part became transparent. I save it as PNG. And imported this image as texture for cycles material. What surprised me is a "Material" ...
12
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2answers
2k views

Cycles Gradient Texture node: Why “Linear” is not linear on a “default” plane?

I want to render a plane with a linear gradient texture that can be rotated as needed. I've set up a basic working node network as shown: I can rotate the gradient using the Mapping Node - > Texture ...
8
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1answer
1k views

How to scale properly HDRI image, to be used in ASC-CDL HDR render?

I've been test rendering lighting my scene using HDR images, trying to get the right value of light and shade from. The problem is, no matter what I do, I can't get the full spectrum in one image, ...
9
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1answer
3k views

How to avoid gradient banding while using a video sequence editor?

I rendered a 80 frame test animation in jpeg format. Used Blender to create the movie. The output format is mp4. The bottom image shows the first of the rendered image on the left extreme. The image ...
2
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2answers
2k views

Compression & Color change

I was using blender to render some animations for a personal blog, and I was hoping to embed the videos seamlessly into the post. I know that my website uses a background of 0xE3E5E7, so I set that as ...
9
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1answer
1k views

Repurposing vector (speed) render layer for optical flow

I'm trying to compute optic flow in my Blender scene using the "speed" render layer (appears as "vector" in the outliner window). This render layer is supposed to return the speed and direction of ...
4
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1answer
833 views

Colors from imported image in compositor aren't displaying correctly

When importing images for use as a starting image in blenders compositor the colors do not display correctly. I tried different ways to fix this issue but can't find a solution. My guess would be ...
1
vote
1answer
562 views

How do you apply colormanagement settings to EXR files?

How do you apply colormanagement settings to EXR files? When i do some color adjustment by using colormanagement and try to save exr file and open it in photoshop it looks like colormanagement ...
12
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1answer
2k views

When to use sRGB and when not to?

I discovered that in my Scene Color Management, Display Device has always been set to sRGB. When I turn it off, the color of a given RGB now seems to match what I see in say Matplotlib. No matter how ...
10
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2answers
6k views

How to put a Linear Workflow in practice with Cycles

Most of you probably/hopefully heard of the Linear Workflow before. I've been doing a lot of research lately in regard to this topic and I am happy to say that I think I finally understood the theory ...
12
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1answer
807 views

How must I adapt my workflow to work with Scene Referred Data?

I just took the red pill and started watching the real world, in fact the CG real world. I've understood that the default sRGB view workflow is bad. I'm using the color management LUT bassam-test ...
12
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2answers
2k views

Why would I use the “Film Emulation” feature?

From what I can tell, this setting alters the exposure and other parameters to simulate a specific film, however why is this any better than exporting a file format that supports high dynamic range (<...
6
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2answers
792 views

Set color of Blender object based on external data (e. g. temperature) using a colormap

I want to do an animation of a Blender object that changes color over time using a script. I already found out how to change the colors and set the keyframes from a script, but what I would need in ...
3
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2answers
2k views

Problem with shadow catcher and a question about alpha blending

I have a model of an object and a ground and I need to separate the two into two different render images. First image -- object with a transparent shadow, second image -- ground without an object. ...
4
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1answer
3k views

Combine Filmic Blender and “Standard” Film Emulation

Is it possible to combine the very helpful filmic-blender Color Management with the default Blender Color Management? It helps a lot to light the scenes with the filmic contrast settings, but when it ...
3
votes
1answer
453 views

How do I adjust for overexposure using physically based lighting?

I am trying to get my head around physically based lighting in Blender. I read somewhere the Cycles Sun Lamp is measured in W/m² so assuming that bright sunlight is measured at 120000 lux (https://en....
4
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3answers
883 views

Advantages/disadvantages of various file formats for storing non-color texture data?

We use normal maps, bump maps, and a lot of other special maps that contain non-color texture data. They are stored in image files but in linear color space (without gamma correction), and therefore ...
3
votes
1answer
869 views

White background turning grey during video creation

I use filmic color management and cycles. I have done a 360° turntable animation and created 120 PNG frames (8 bits) with pure white background. However, when I create a video from this PNG sequence ...
2
votes
1answer
527 views

Reflections on glass over transparent background disappear in the final render

Ok, so I have this problem, in the first image you have the "final" render, here the glass from the windows doesn´t reflect the light that comes from behind the camera, something that you can see ...
2
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1answer
1k views

Why depth map renderings stored in 16-bit PNG turn out to be 8-bit?

I save my rendering results as 16-bit png files using Python as follow: ...
3
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2answers
2k views

Is it possible to save CMYK renders from Blender?

Is it possible to render to a CMYK image format without any intermediate conversion steps? Asked on behalf of this questioner: https://lists.blender.org/pipermail/bf-committers/2016-April/047214....
7
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3answers
380 views

Colomanagement Workflow - how to achieve requested target RGB Values?

i think this is a colomanagement workflow qestion at its best. Imagine the following scenario: Say there is a nitpicking customer, and he requests the following you from you: Deliver an image showing ...
9
votes
1answer
211 views

What are good practices to keep in mind when lighting for scene-referred data?

My understanding is that your lights shouldn't be limited by the dynamic range the default view can show. I'm sure there's more to it than just making lights brighter and over-exposing the default ...
7
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2answers
1k views

What is the difference between color models (sRGB, Rec709, XYZ, ets) and which cases I need to prefer one of them?

I know filmic uses for wide color range. But what is a display device for? Which cases I need to prefer one of display device settings?
5
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1answer
964 views

What format, codec, and color settings should be used for youtube?

There are probably 10,000 threads and articles dedicated to this and I've read about half of them but none of the suggestions are helping. My scene has the exact contrast and saturation that I need ...
4
votes
1answer
2k views

How can i use Filmic with Blender Cycles baking

I want to bake my lighting or light map with Filmic but when i change the color management to Filmic (Blender 2.79+) it has no effect.
4
votes
2answers
852 views

Cycles compositor - apply color balance node only on a part of image

In compositor I want to apply color balance node only on a part of image for which I have a mask. I have issue with combining original image with modified part so that a colors aren't mixed together ...
3
votes
1answer
573 views

Color Management. What is the difference between display device, view transform and sequencer?

All these settings are found in the color management section. I hear that filmic is the best to use, and it has filmic default for the view transform. But under sequencer sRGB is default. Under ...
3
votes
1answer
1k views

Apply filmic color management to an EXR file - post processing in photoshop

I am taking EXR files to photoshop for post processing, but I want the filmic color management applied. Is there a different file format I should be using, or is there a way to apply filmic color ...
1
vote
0answers
687 views

Blender error on startup [closed]

When I start Blender, I get this error in the CMD: COLOR MANAGEMENT : USING FALLBACK MODE FOR MANAGEMENT BLT_LANG_INIT: 'LOCALE' DATA PATH FOR TRANSLATIONS NOT FOUND, CONTINUING AL LIB: ...
1
vote
2answers
96 views

How can I export and store light curves?

It is easy do color correction/grading (Add -> Effect Strip -> Adjustment Layer, then Modifiers -> Add Strip Modifier -> Curves). This can be used for instance to give a "sunset look" to an amateur ...
0
votes
1answer
283 views

Colors are off, outside of blender

the colors of my renderings look off (brighter / less saturated) outside of blender. – compare the image in the finder (left), and in blender (right): how can I make sure the results look just like ...
8
votes
2answers
607 views

Emission shader color saturation clipping

I stumbled on a trick that while working on one project that will help me with another, but I am not sure why it works. When I set the color of an emission shader to a saturation of 1 the shader ...
4
votes
1answer
322 views

Why do the output colours differ from the input when using Filmic Blender in the VSE?

As discussed in Colours from imported MP4 screencast video look dull in Blender, I recently stumbled across what I perceive to be an oddity with the new Filmic colour management: When working with ...
2
votes
1answer
101 views

What is the actual film manufacturer reference for the film response data?

I would like to understand if there is some reference for all this film response data and if/how it was validated. https://developer.blender.org/diffusion/B/browse/master/release/datafiles/...
2
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0answers
111 views

Color Management in Blender [duplicate]

Till now I rendered my images and took them to Photoshop and did some color corrections there. Made aware of Color Management options in Blender by Rick's answer on this question I am now diving ...
1
vote
2answers
323 views

Blender dosn't interpret the Colorspace of the imported Image in the Compositor correctly

I am facing the following problem: The imported image from the explorer, a 16bit PNG file, is not showing up in the correct colorspace (I think) in the compositor It's a PNG, so it has sRGB ...
1
vote
1answer
221 views

Use filmic and output mask with absolute color values

I would like to output both images where the color management (like filmic) is applied and save an object-ID pass. The catch is, the object-ID pass needs to contain the object as absolute white #...
1
vote
1answer
411 views

Uninterpretablity in depth maps: why the pixel values do not necessarily represent a valid distance?

I am rendering depth maps from different angles for many meshes by placing my cameras on a sphere with fixed radius. The meshes I use are all normalized (all within a sphere with radius ...
1
vote
0answers
202 views

How to set the display device to None in a python script? [closed]

I want to set the display device in Blender 2.69 to 'None' rather than 'sRGB' using a python script. I have tried the following: ...
1
vote
1answer
21k views

Color not showing up and neither is the option

I am using Blender 2.69, (I am unable to upgrade at this time) and I am trying to color my model using the Vertex Paint mode, but it won't show up in the final render. I know that you have to enable ...