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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.

30 votes
1 answer
3k views

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 ...
Mentalist's user avatar
  • 19.3k
28 votes
1 answer
7k 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?
user avatar
25 votes
4 answers
3k views

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 ...
cgslav's user avatar
  • 17.6k
18 votes
1 answer
18k views

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 ...
icYou520's user avatar
  • 5,489
16 votes
1 answer
3k 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 ...
brockmann's user avatar
  • 12.7k
15 votes
3 answers
3k views

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 ...
Toni's user avatar
  • 153
13 votes
2 answers
7k views

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 ...
snipers500's user avatar
13 votes
2 answers
3k views

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 ...
Mentalist's user avatar
  • 19.3k
12 votes
1 answer
21k views

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 ...
switchup621's user avatar
11 votes
3 answers
2k views

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)...
Alex Safayan's user avatar
  • 1,116
11 votes
1 answer
742 views

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 ...
Sunlight Swift's user avatar
11 votes
2 answers
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 (<...
J Sargent's user avatar
  • 19.3k
10 votes
3 answers
4k views

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 ...
ChemWes's user avatar
  • 103
10 votes
2 answers
28k views

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 ...
Viktor Raspberry's user avatar
10 votes
1 answer
3k views

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 ...
xeruf's user avatar
  • 413

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