Questions tagged [color]
Questions centered around how color is specified, calculated, represented, applied, or processed in Blender. This is not for use as a generic tag. Questions may include topics such as color space, color depth, RGB, CMYK, hue, saturation, brightness, Lab color, hexadecimal color.
116
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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?
user1853
6
votes
1
answer
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EXR color difference to PNG
To avoid the problems that PNG has with fire Transparency, I exported the images in EXR format, but when I compare them to the PNG counterpart, the colours in the EXR image are way to blown out.
Why ...
- 710
3
votes
1
answer
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Rendered image shows visible "line strokes" artefacts
If I just render the default cube it will look like this:
It is rendered with color depth 16. I can see there are artefacts consisting of visible "line strokes" on some of the cube faces.
The bands ...
- 361
16
votes
1
answer
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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 ...
- 12.3k
25
votes
4
answers
3k
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Mix colors from different objects at collision (Rigid Bodies and Particles)
This will be a pretty complex question, many areas will be connected to it but it is for sure focused on one main problem. I'm not sure is it possible without heavy scripting and I didn't found ...
- 17.5k
2
votes
1
answer
863
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New Hair Curves: Getting color from emitter object?
In short: I need a method to get the new hair curves system to get the color from the emitter mesh, just like a regular hair particle system works. With a particle system, you can easily just set the ...
- 91
4
votes
2
answers
6k
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Per face vertex coloring
In blender you can color the vertexes. But is there a way to color the faces so the faces have only one color instead of the colors being interpolated based on the colors of the surronding verticies. ...
- 107
30
votes
1
answer
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Physical iridescence in Cycles?
Having recently seen the Siggraph paper A Practical Extension to Microfacet Theory for the Modeling of Varying Iridescence, I of course said to myself "I have to have this in Blenderrrrr!" and started ...
- 18.9k
17
votes
1
answer
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Color vs. Non-Color data
I was always under the assumption that turning an image to "Non-Color data" that is was converting it to greyscale. Playing around with normal maps it doesn't seem to be doing that at all. So what is ...
- 5,419
6
votes
4
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Changing colours precisely, procedurally
I assumed this had been asked before but can't find anything that does what I need.
I have an image texture (a png) which uses 18 different colours. I want to be able to use the shader editor to ...
- 165
2
votes
2
answers
3k
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Render solid color in Eevee
I wan't to create a segmentation map for machine learning.
For that I have a list of colors like:
clouds #aaaaaa
cow #4f445b
grass #1dc331
It is from ...
- 1,139
1
vote
1
answer
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Blender 2.8x - Particle Color based on actual color of emitter
Looking for a way to set the color of each particle to the exact color from where it was emitted.
Trying to make a 2d image plane dissolve effect.
Checked this thread but its not doing what I am ...
- 69
1
vote
1
answer
77
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After updating to 2.81, my previous works (done in 2.80) doesn't show colors
This image is what's supposed to look like in Edit Mode/Object Mode(although I still can make these screenshots even after the update by pressing F12 which is rendering) but the following is what my ...
- 383
0
votes
2
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521
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If each cube here represents a pixel, what is the fastest way to change its color so it looks exactly like the 2d image?
Hi people, my goal here is to read the 2D images pixel intensity and transfer those values to the corresponding cubes I made in Blender. The image is 28px by 28px.
My first question is if I already ...
- 737
15
votes
3
answers
2k
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How do I create array of objects of alternating color?
I want to create a chain that alternates between two colors every x chain link.
This is what I want to model:
The best I could do was use the wave texture node, but then I get chain links that are ...
- 153
13
votes
2
answers
2k
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Blender halftone pattern filter
I am trying to set up a material that acts as a filter - taking an image plane and giving it a halftone look.
The dot pattern is made wih a radial gradient texture mapped across the camera space. A ...
- 18.9k
10
votes
1
answer
3k
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HSV to RGB conversion
let's take the hsv color 0.4, 0.8, 1.0
everywhere I looked this converted to Hex 33FF85 - even in Blender
when I convert it to RGB(using python colorsys, python ...
- 393
9
votes
1
answer
3k
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Color difference in saved images vs Render View
I've noticed that when an image is saved (let's say as a PNG for example), the color doesn't look as vibrant as it does in Blender's Render View.
For comparison, here is an image created by saving as ...
- 18.9k
9
votes
1
answer
2k
views
Can I colour the same text in two different colours? [duplicate]
I want the text to have this sort of colouring
And this is the text.
6
votes
4
answers
2k
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cycles transparency results in color loss when background is black?
to make exactly clear what i want:
i want to use a scripted animation that uses live motion capture data for projection mapping.
it shall look like some sort of energy beams or electricity going out ...
- 187
6
votes
2
answers
731
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Is there a way to add a color legend in the mesh analysis?
I'm doing a medical research in which it is necessary to analyse the wall thickness of this Object. I used the mesh analysis which automatically colorized the meshes. Unfortunately I can't find a way ...
- 63
5
votes
1
answer
2k
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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 ...
- 2,038
5
votes
1
answer
2k
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Vertex colors are wrong value?
I am using a renderlayer with some vertex colors to render some masks. I have an object with a vertex color layer. The entire object is set to RGB values of .25 each (using set vertex colors command.)
...
- 6,469
4
votes
4
answers
1k
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incorrect gradient in linear color ramp
I would like to use linear color ramp in blender.
But in the middle of it is not 50% grey, but strange value 0.735357. This is incorrect. Why?
- 533
3
votes
1
answer
723
views
Geometry Nodes: Transfer Face Color to Instances
I have a mesh with a UV-mapped texture. With Geometry Nodes, I would like to add beads to this mesh using Instance on Points, and these beads should take on the color of the underlying face.
I tried ...
3
votes
1
answer
786
views
Extract Palette from image - how to define the number of colors?
Image editor allows you to extract a palette via Image-->extract Palette.
Is there a way to set the number of color the image gets reduced to?
Python gives you a threshold value at least.
...
- 761
2
votes
1
answer
1k
views
Is it possible to change sRGB/Non-Color color space procedurally?
All "Diffuse-Albedo-Color" need to be, or at least they would be in an sRgb color space (in my experience), inside the diffuse node.
On the contrary the other maps such as: Normal, Specular, ...
- 1,154
1
vote
1
answer
469
views
Mask and convert color in photo/video
I am very new to blender still. I want to simply change the color of an object in the video. I want to know if there is good way to do this. I am including what I have to test.
- 155
12
votes
2
answers
2k
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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 (<...
- 19.2k
11
votes
3
answers
2k
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Creating a Liquid Bubble Effect
I saw some really cool 3d work here, and I want to know how to recreate this.
What I want in the answer:
How the particle system works (or model)
How to color the layers (the blue, red, and orange)...
- 1,116
10
votes
2
answers
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Realistic Aluminum Material In Cycles?
I need help, making a realistic looking aluminum material, like in the pictures below. I would like to only use procedural textures within Cycles. No external image textures. Can anybody, who ...
- 779
9
votes
2
answers
1k
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How to use color ramp with torus
I have a torus and I need the material to use a color ramp so that all the surface has one color (red) except for a strip along the longest edge (yellow). Something like this:
I tried unrap in every ...
- 261
8
votes
2
answers
3k
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How to get screen color under mouse cursor?
I'm trying to figure out how to get the color of the screen pixel under the mouse with python like in this video:
Python-scripted color picker
I tried importing bgl and adding bgl.glReadPixels in to ...
- 623
7
votes
1
answer
24k
views
Wacky, weird colors when entering sculpt mode (blender v2.83)
Every time I enter sculpt mode, the mesh (which should be grey) is a whole bunch of different colors. I tried changing the metacap, but the stupid colors remain. Any advice would be nice.
Picture ...
- 118
6
votes
1
answer
3k
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Properly convert Hex Color code to Blender RGB in python
I have noticed that a color can be assigned, by their rgb values in Blender using Python. But it is not possible to directly assign a hex color code to it.
Also, there were some hex to rgb function ...
- 707
5
votes
2
answers
953
views
Value in HSV not linear?
It seems to me that the "Value" value when picking a color in HSV space behaves nonlinear.
In this example Value is set to .5
I'd expect the white dot in the grayscale "slider" to ...
- 319
5
votes
2
answers
5k
views
'color' and 'position' input for Color Ramp node?
Blender 3.0 . I wanted to be able to change a the color and position of the sliders in the Color Ramp node via another set of nodes, but there's no input for the "slidering gradient thing". ...
- 570
4
votes
2
answers
2k
views
How to add a new stop to the color ramp?
How to add a new stop to the color ramp in python?
4
votes
1
answer
2k
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Color banding in Blender Internal render output
I am preparing to render an animation, and I am experiencing banding colors on a background generated in Blender Internal using a world texture created with a color ramp:
The render generates banding ...
- 2,237
3
votes
2
answers
2k
views
Rendered Texture looks messed up
I could not figure this one out by myself so far, and would appreciate some assistance from you guys.
After setting up the base color / albedo and the normal map for my object, it looks fine in 3D ...
- 87
3
votes
1
answer
2k
views
selective color correction
I am trying to change the colors of an image texture separately but I can't figure out how to do this.
Every color correction I make results in a color change for the other color as well.
What can I ...
- 2,038
3
votes
1
answer
3k
views
Can I use my 3D Luts with Flimic?
I found this documentation → How can Blender be augmented to display color critical and accurate results?
However, this is outdated and does not work now.
How can I use the 3D Luts extracted from the ...
- 43
3
votes
1
answer
2k
views
Access color of a point given the 3D position (on the surface of a polygon)
My problem consists in accessing the color of a given point (I know the 3D coordinates (x,y,z) that lies on one surface of a mesh.
I use raytracing to get the 3D position of the point casting a ray ...
- 133
2
votes
1
answer
2k
views
Vertices—loop indices vs. unique indices
I need to set the colors of vertices from data generated by third-party simulation. To do this, I need to access the vertices by their unique indices with the Python API.
I can do this with ...
user61149
2
votes
1
answer
8k
views
Blender 2.8 python - Add Texture Image
I've been attempting to create a meterial, and add different textures to the properties using a script. I am testing with just a diffuse/color first, but am having trouble getting it to work.
I've ...
- 195
2
votes
1
answer
772
views
Why is the colour picker displaying tinted colors?
The colour picker is behaving not as I expect it to. I cannot move the selector towards most of the edges, setting the RGB to 1.00 for red and the rest to 0 just gets an orange colour. Also I cannot ...
- 23
2
votes
3
answers
9k
views
color issue when save my render
When I render Image in Blender 2.8, the final result in the viewport are really beautiful with good color, contrast, etc...
When I save the render in JPEG, TIFF, PNG, etc... the result are not the ...
- 21
2
votes
1
answer
5k
views
How do I work with grayscale?
I would like to work with greyscale like this photo.
I have a landscape and models. What should I do first?
- 723
2
votes
1
answer
401
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How to use transmissive voxels with color gradients?
I'm still learning blender, and I had some idea to implement, but I'm unsure whether this is possible at all: Visualizing 3D colorspaces.
I did some Internet searches for examples, but could not find ...
- 183
1
vote
2
answers
2k
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 ...
- 1,872