Questions tagged [color-science]
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Would there be a point in creating monitors that have more than the regular RGB color channels?
I was thinking about color spaces and the coverage between the sRGB and Lab color spaces such as OkLab. I was wondering if there could exist some different monitor technology with more than 3 color ...
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Why are YCbCr transforms defined in terms of gamma-corrected RGB?
I've learned a lot about digital color recently, and I've had the opportunity to implement several transforms in shaders, including converting between different RGB systems and converting into YCbCr ...
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Is color saturation really related to light intensity?
In this article on Wikipedia, under saturation, it's written that "The purest (most saturated) color is achieved by using just one wavelength at a high intensity, such as in laser light. If the ...
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Normal blend mode math
I have one question.
How to calculate source color after blending operation.
For example. I have
1 - Background color (r-115, g-94, b-67, a-1)
2 - Foreground color above background color, which ...
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Does CMYK values provide more colors than RGB?
We know that in the RGB system we have three primary colors and each of them has a value from $0$ to $255$ (or $256$ values in total). So all possible colors are $256^{3}=16777216$.
But in the CMYK ...
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Is there a way to automatically optimize imags based on predefined marker on image?
Color correction is tricky. It's always a lot of work to make everything look same.
I have multiple products (clothing) to take a picture of. One is 100% red, other 100% Orange. Some are multicolor ...
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Why are the HSL and HSV color models not considered "perceptually uniform"?
The HSL/HSV color spaces are not considered "perceptually uniform" despsite being widely used. Is there a detailed reason for this?
user19242
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What is the best way to display complex number "images"?
I may be getting some details wrong (e.g. colour space vs. colour model), so please bear with me:
I want to represent "images" consisting of complex numbers i.e. for each "pixel" ...
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How to visualize color synthesis in HSL diagram
before considering the HSL color space, let's consider the CIE chromaticity diagram to understand what I'm looking for:
Unless I am mistaken, I read it that way:
Given two points A, B, any color in ...
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What CMFs (aka Spectral Functions) did Microsoft and HP use to develop sRGB standardized in: IEC 61966-2-1:1999?
CIE 1931 2° probably served as a basis, but which version?
Published in 1999, the final specification can not have referred to CIE 2006, but cvrl.org lists several others: CIE 1931 2°, CIE 1931 2° ...
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Is spectral response curve and spectral power distribution the same thing?
I'm reading section 5.2 of pbrt 3rd edition and came across the part where they explain the concept of RGB colors.
When we display an RGB color on a display, the spectrum that is
actually displayed ...
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Why do materials have both an ambient color and a diffuse color?
One of the first things I learned about computer graphics lighting (and light in general) is that when a ray of light hits a surface, the surface absorbs certain colors and the light retains the rest. ...
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What wavelengths(dominant) the primary RGB colors are supposed to be in sRGB color space in nanometers?
The Context
I am exploring the idea of making a DIY spectrometer(and colorimeter) for testing various material samples for interior visualization. It's sort of a hobby project for my curiosity and ...
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How to determine RGB values given a display spectral response curve?
I am reading Physically Based Rendering section 2.2.2 on RGB color.
I am trying to understand how, given a display spectral response curves for rgb intensities, we can choose the intensities so that ...
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Determining input color space primaries from spectrum data
If I have an output device, for which I have a known spectrum data for each of it's primaries, I should be able to calculate the CIEXYZ of its primaries using using the integral equations together ...
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