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.
344
questions with no upvoted or accepted answers
5
votes
1
answer
3k
views
Separate alpha from color in Shader Editor
In the Shader Editor, I can create an RGB node and in there, I can set an alpha value as displayed in this screenshot:
However, no color separation node in blender supports extracting that value and ...
- 187
4
votes
0
answers
233
views
"separate hsv"-node is giving a wrong output
I have a color with a value of 1 and a saturation of 0.3. But if i connect them to a Separate HSV node, the output for the Saturation is 0.54, and it changes if i change the value.
Can someone explain ...
4
votes
0
answers
1k
views
'image as plane' is always low quality than the original image
How can I render 'image as plane' with the same quality as original image?
The quality of image is always blurred and has a faint color.
This is how I did it.
(*Increased the resolution of the ...
- 41
3
votes
0
answers
46
views
Complementary Colors using the Color wheel
In Photoshop, I can find the complementary color easily by adding 180 to the Hue (or subtracting 180, if the Hue is already over 180).
Since Blender maps the color Wheel from 0 to 1, shouldn't I ...
- 55
3
votes
0
answers
230
views
Difference in color between image render and video render
Can anyone tell me why there is a subtle colour difference between my image render and video render?
This is an EXR image sequence that I have pre-rendered and am importing into the sequencer in a ...
3
votes
0
answers
67
views
Blender ColorRamp strange behavior
I found an unexpected behavior of ColorRamp node and I will demonstrate it on a simple example.
There are five cubes and they have vertex colours set. From left, the colours are in RGB: (0.0, 0.0, 0.0)...
- 31
3
votes
0
answers
331
views
Change image "Color Space" setting from script
I`m loading some images from script and I need to be able to change their "Color Space" setting from python. Some of the images are normal maps and it took me a while to get what was going ...
- 31
2
votes
0
answers
25
views
Cast Colored light on white surface
Hej !
Does anybody have a trick to cast a coloured light on a white surface in a stronger way than a pale color ? I want to casted color to be like on the second picture but on a surface like the ...
- 21
2
votes
0
answers
13
views
How to acquire the colors assigned randomly to meshes to feed into base color from color ramp?
I have 125 meshes and I used a object into random socket and plugged it into the color ramp.
But when I am exporting the animation in .glb format the colors aren't exporting.
It was because base color ...
- 21
2
votes
0
answers
93
views
How to preserve nested collection colors on instances using geometry nodes?
A simple case.
2 cubes in a collection using same material.
This material color is driven by an ObjectInfo node connected to and both cubes have actually different colors set in Object tab>...
2
votes
0
answers
48
views
Match HTML colour in compositor
I have rendered my Blender scene to an EXR. I want to composite this render over the top of a solid colour background. The background must exactly match a specific brand colour.
When using the "...
- 335
2
votes
1
answer
86
views
Color sliders on vertical color bar rapidly scale from 0 to 40 instead of normally 0 to 1.0, how to fix this?
for example, adjusting the color sliders on a point source light, you can use use the horizontal slider fine, but on the vertical color picker, it shoots from 0 to 40 and doesn't preview any colors ...
- 21
2
votes
0
answers
123
views
How can I achieve a colour pattern on a hair system?
I'm looking to create patterns on top of hair like in this image. I know how to give hair systems a single colour or gradient colouring, but I would like to give the impression of shapes being painted ...
2
votes
0
answers
68
views
Save as render vs display device for baking ambient occlusion
I've been using Blender for creating maps for real time rendering that contain non-color/linear color data (ambient occlusion, normal maps, light maps). I started wondering about correct conversion ...
- 31
2
votes
0
answers
231
views
Blender 3.0 GPU API and BGR colors
I want to use the new GPU API for Blender 3.0 to copy the content of a texture into a gpu.types.Buffer. Although this works fine with the following small code, I wonder how I can tell the API to copy ...
- 488
2
votes
0
answers
24
views
Light colour - Node Emision colour vs Light colour
Hi I'm using cycles and have noticed that when using nodes to control lights there are two different light colour inputs 1. The original light colour and 2. the emision light colour.
Can anyone tell ...
- 21
2
votes
0
answers
216
views
How do you change the "False Color" colormap?
I am testing the Color Management option to show an image with the setting of "False Color", which shows, for example, the following image:
It's a colormap according to the scene's ...
- 61
2
votes
0
answers
68
views
Color Value appears to be Logarithmic in 2.92
I've run across a new "feature" wherein the value of a color node appears to be logarithmic rather than linear, as it was in previous versions. This feature does not appear to be affected by ...
- 21
2
votes
0
answers
49
views
Edge Slide - line color change
Is it possible to change the color of the "Edge Slide" operator line?
Thx
- 180
2
votes
0
answers
175
views
Is there a node-based implementation for saturation that works a little more like Photoshop?
I am asking this question because I am putting together a node group to adjust some basic color and contrast settings for texture maps. I really hate the way that Blender's Hue/Saturation node ...
- 1,391
2
votes
0
answers
34
views
Three shaders (or more) sharing same basecolor?
Can I change BaseColor from one shader and update automatically in other SELECTED ONLY object's shaders at the same time to share the same basecolor?
The idea is to use the same color on selected ...
2
votes
0
answers
52
views
How not to color the inner circle?
I am planning to draw a donut, but when I colored it, the inner circle is also colored.
- 131
2
votes
1
answer
809
views
Freestyle line color from underlying material not working as expected
I'm trying to color freestyle lines using the underlying material. It looks like it should be able to pick up the RGBAa diffuse and specular channels, and the documentation agrees. But I can't make it ...
2
votes
0
answers
87
views
RGB from HSV values driver extract
I'd like to use drivers in Eevee for color change of two objects. One is a mesh and second one is a light. I have an empty with custom properties with 3 values (HSV) created, and material which i can ...
- 197
2
votes
0
answers
623
views
How to map vertex to particle (hair); or color particles with specific colors
I am trying to render CFD data in blender, where the CFD code generates output files that consist of particle positions and scalars. I have successfully loaded the data into blender and used a ...
- 81
2
votes
0
answers
313
views
Meaning of selected object outline in 3D view
I was trying new Collections feature in Blender 2.8 and somehow can't get consistent understanding what do outline colors of selected objects mean.
Here is my scene setup:
created three "asset" ...
- 121
2
votes
0
answers
1k
views
Setting per-vertex colors
I would like to be able to set vertex colors via bpy. There are a number of answered questions including this one Set a specified vertex color to black via python for coloring the central vertex of a ...
- 21
2
votes
1
answer
1k
views
How Do i add colour to this image texture?
I think i have bumped it correctly? I now want to add colour so that the planet looks nice. Also I am having trouble with the image texture after unwrapping and scaling in the uv image editor- not ...
2
votes
0
answers
198
views
Let a gradient follow the topography of the mesh
I know how to apply a simple linear/radial gradient to a mesh but what if I want more control over the gradient, let's say I want it to follow certain regions of a mesh? I posted two examples of what ...
- 825
2
votes
0
answers
54
views
How to get gradient material to work with rig?
I've got a lil character i'm making that uses some gradient materials, but I don't know how to make the gradient move with the deformations.
as you can see, the gradient doesn't move with the ...
- 58
2
votes
0
answers
375
views
Why are the ID-masks and Ambient Occlusion outputs not pure white?
Whenever using ID-Masks (material and/or object) the result in the render output does not give me a solely black and white image.
The whites are slightly darker than they should be.
Even when ...
- 2,038
2
votes
0
answers
167
views
Does the Color Ramp Node Normalize Values?
Often while working in the compositor, values are clamped between 0 and 1. Suppose I multiply a 0 to 1 image by 2 and put it through the Color Ramp node. Does it normalize the input such that the ...
- 3,342
2
votes
0
answers
69
views
Lossless video output is overbrighted
I am rendering a video with overlayed PNG sequence (clouds with alpha channel).
Output settings are mp4, h.264 (Lossless). But final video is overbrighted, however if I change h.264 to PNG codec, it ...
- 3,907
2
votes
0
answers
110
views
OSL select function
I try to run a shader with this function:
color albedo = select(steel,rust,pt1);
where variables: steel & rust are color and variable pt1 is float(generated ...
- 373
2
votes
0
answers
687
views
Rendered View port and PNG output color difference
I am performing a render on a scene through the viewport using f12 option and saving the rendered image but when viewing the two images side by side I've noticed that the colors are much sharper in ...
- 21
2
votes
0
answers
104
views
Visualization of density gradients in a fluid
I want to visualize periodic changes in the density of a gel-like fluid due to external forces. The fluid is contained in a hollow cylinder in which I have modeled a "cutaway" section.
I would have ...
1
vote
0
answers
22
views
Image color conversation in compositor for AgX
I used to use color convention for Filmic like this:
But it doesn't work with AgX:
Convert color space doesn't work correctly even with filmic:
That am I doing wrong? That is the proper way to get ...
- 33.5k
1
vote
0
answers
33
views
White and blue surfaces not distinguishable with white sun light
I'm making a shaded relief map that uses a scanned map as the color layer. The original map has an off white border and areas of pale blue indicating sea. When rendered with white sunlight the border ...
- 11
1
vote
0
answers
17
views
How to apply gamma node to image
Is there a way to apply a gamma node to the image file, like how you can apply a modifier to a mesh?
- 62
1
vote
1
answer
49
views
Highlight vertices by vertex color as animation
I have a mesh object with specific data information displayed by various vertex colors. In my case, each color value represents a specific time point from red (earliest) to blue (latest). Now, I would ...
- 21
1
vote
0
answers
45
views
Importing a standard color into blender (gamma correction issue?)
I'm having issues with rendering exact colors. So I'm working on an archviz project and there are certain objects that require a specified standard color. Basically the color on render has to match ...
- 11
1
vote
0
answers
29
views
How to use blackbody node in compositor?
How to use blackbody node in compositor? It is in Cycles shader nodes:
Searching for "blackbody" in compositor has no results.
- 171
1
vote
0
answers
20
views
Is there a way to make the same form sculpt mode smoothing in texture paint?
Is there a way to integrate more the one color with smoth in texturing painting?
1
vote
0
answers
35
views
using png as texture, color it white appears to be much larger than color it black
At first I thought it was just perception of my eyes of the two colors, but the different is too big to be ignore.
How to fix it and what's the cause?
- 11
1
vote
0
answers
30
views
Separate Colours "Value" value from geometry nodes does not seem to be correct
I'm trying to use a texture In geometry nodes. The texture in question is completely grey with an HSV color defined as 0,0,0.500 when creating the texture in the Image Editor.
Trying to extrapolate ...
- 11
1
vote
0
answers
45
views
Is there a way to include material color changes in motion blur?
In both Eevee and Cycles, changes to the material color are not rendering in the motion blur.
For example, if there is a moving cube that is red on frame 1, and keyframed to transition to blue on ...
- 18.8k
1
vote
0
answers
158
views
How to access viewport display color from within Geometry Nodes?
I'd like to use the viewport display color of an object to influence the Geometry Nodes of that object. This is possible within Shader Nodes through the use of the "Object Info" node, which ...
- 322
1
vote
0
answers
47
views
Any way to accordingly color separate parts of these LaTeX meshes with python?
I'm writing some functions in python which implement the latex2blender addon. Information about this addon can be found here: https://github.com/ghseeli/latex2blender
I'm able to create a few strings ...
- 1,085
1
vote
0
answers
9
views
Changing the "max trace" color
When rendering something with refractions, and the trace reaches the maximum number of bounces/refractions, the color black is rendered.
Is there a way of changing this to another color?
- 111
1
vote
2
answers
36
views
How do I assign a colour to this part only
I need to assign a color to this part:
But when I assign it, this happens:
How do I make it go only in the selected area?
heres the full image if it helps:
- 21