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.
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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 ...
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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
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4
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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 ...
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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 ...
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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 ...
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15
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3
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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
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2
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Control a ColorRamp node from outside a node group
I have a ColorRamp node inside of a node group and I would like to have a group input which controls the "Pos" value of the white colour, but there doesn't seem to be a good way to do it. Since I'm ...
- 469
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2
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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
12
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1
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Add material and apply Diffuse color via Python
This may be another simple question but I can't seem to find a straight answer.
I am procedurally generating figures and as part of the last step I want to color the figure red.
If I manually add a ...
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2
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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 (<...
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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
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1
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Is there a way to adapt False Color to be seen for color blind people?
I have severe red/green protonopia and find the red and green to be the same when I use False Color mode to calibrate lighting exposure.
I'm wondering if there is a way to get numeric feedback on ...
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3
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Material for Rainbow around Torus
Is there a convenient way to make a rainbow material that varies smoothly along a torus? In the image below, I made a new emission material for each of the 32 segments along the major axis, changing ...
- 103
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2
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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 ...
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1
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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
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1
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Powder simulation
I am trying to do a simulation for a powder spread out of capsules. I did a particle system alone and a smoke alone.
But I had two problems now. I need to make the smoke react with the particles to be ...
- 319
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1
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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.
9
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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
9
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1
answer
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Green color wash over render output when rendered on server
When I render my project locally, it get the following desired result:
When rendering on an Amazon server though, I get this greenish result:
This is not observed in a simple test scene containing ...
- 289
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votes
1
answer
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How can I randomize Wave Texture's Wave Width?
I'm trying to create a Brown Dwarf / Jupiter look.
The waves / bands are all relatively evenly sized and the colors are very "black / white / black / white"
Is there a way I can randomize ...
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2
answers
774
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How do I change the default color picker mode from HSV to RGB?
Blender 2.8x default is HSV, but I want RGB like in 2.7x.
Saving startup file doesn't store new settings.
In the preferences settings one can only change circle to square or HSV to HSL, nothing more. ...
- 3,907
9
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1
answer
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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
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3
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Toon Shader – Change Color of Shadows
I made a character for a mobile game in Blender rendered with Cycles, and i used a toon material as shader. Now, for each toon material i create, i used an 'Image Texture' as a color gradient. I like ...
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1
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How to make a solid shader in blender?
I'm trying to get an accurate RGB 255, 0, 0 color.
Render engine: Cycles
Here's my attempt, what am I doing wrong?
I've tried using different color management ...
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2
answers
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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 ...
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3
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PythonScript to load data as colored point-cloud
Background
I want to render 3D points with color information for scientific visualization. I have several hundred thousands of points up to 2 million. For each point I have [xyz] coordinates and two ...
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1
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Is there a way to render to PNG as raw pixels / without converting color space to sRGB?
Sorry if this was asked before, I did find similar threads on other websites with a workaround, but it would be great if there was a way to do this without having to go through photoshop.
What I need:...
- 311
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votes
1
answer
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How to assign colors to Point Density based on data values?
I have a file containing approximately 900,000 x,y,z data points, each with a list of physical values at that position (temperature, density, chemical composition, etc.)
I have written a Python ...
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2
answers
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Making background solid color
How can I make the background color consist of only one color like the picture above?
Usually I made L shaped plane, applied bevel + smooth to make a background, as shown below
there is still a ...
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1
answer
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Why is base colour wheel only giving me black as an option
I don't know when this happened but my base colour wheel doesn't want to cooperate to give me the colours that i want. The problem:
How do i get the colour wheel to show all the colours again and ...
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3
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Multicolored outlines (For Blender Render)
I want to give to my model a outline with multiple colors.
As you can see in this image, the outlines are slighty darker than the material they surround. How can I do something like that in Blender (...
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7
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3
answers
567
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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 ...
- 1,434
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votes
1
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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 ...
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votes
1
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Difference based colorramp
I'm trying to color a cube based on it's distance from another object along the z axis. I can color the cube based on it's own z axis, but when I try to reference another object (e.g. the plane in the ...
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7
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1
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Blender for scientific visualization - Point color interpolation from vertex color data based on distance
TL;DR: For a given point in a face/polygon how can I compute the distance between that point and all the vertices on the given face with shader nodes?
Overall intent:
I want to visualize complex ...
- 91
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5
answers
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How do I color the shading of a material?
Some art styles increase the saturation in their shading, I'm trying to achieve this effect as seen in cell #2 of my example image. Right now it looks like cell #3, which lacks this and looks dull in ...
7
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1
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491
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Is it possible to pass a color ramp to a node group?
Are there any addons or other features in Blender that allow a Blender user to write nodes that pass in color ramps and reuse them in a group node? If the answer is yes, then what are the steps?
...
- 14.2k
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
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votes
2
answers
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Can Cycles physically mix colours?
I was trying to recreate a so-called CMY cube, which is a translucid cube where opposite sides are coloured cyan, magenta, and yellow. When looked at from an angle, these colours mix, e.g.
(More ...
6
votes
1
answer
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copy material with python
I copy one object in Blender with python。but when I change the old object's color , the new object's color also change. I know that because the new object and the old object have the same material。my ...
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2
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Question about False Color in Render Properties
Following Blender Guru's Donut Tutorials and currently at the end of Part 1.
I'm really unsure about the false color concepts, grey is the ideal color so we have to tweak all the settings till its ...
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2
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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 ...
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1
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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 ...
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4
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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
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votes
1
answer
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Why does the math node change the noise texture's color output to B/W?
Could someone please tell me why plugging a color into a math node (in this case set to subtract) makes the output black and white?
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1
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Is it possible to save pixel perfect full-spectrum rgb height map?
I made shader that calculates RGB based on height. Height -> Map Range to 0-16777216 and result pixel based on where C is input number based on height:
...
- 63
6
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1
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How to display vertex colors in Viewport Shading Mode
So I'm pretty new to blender and I'm trying to make some visualisations for a paper I'm hoping to publish. So far I've got my tractography and cortical matter loaded into Blender and I've managed to ...
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3
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586
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Is "value" Blend mode same as "luminosity" Blending mode from Photoshop?
I tried for so long to look info for this problem and found basically nothing. I am trying to adopt a technique from Photoshop to Blender to match the colors of 2 different scenes, but end up in the ...
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1
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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
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2
answers
579
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UV render pass non-linearity
I am writing a piece of software that needs pre-rendered UV maps for on the fly texture mapping. I tried rendering these maps in blender, but the color values in the resulting image do not change in a ...