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Questions tagged [color-science]

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3 votes
2 answers

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 ...
JonnyRobbie's user avatar
2 votes
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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 ...
xasthor's user avatar
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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 lists several others: CIE 1931 2°, CIE 1931 2° ...
Ben McKenneby's user avatar
2 votes
0 answers

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. ...
MothRemovalInProgress's user avatar
2 votes
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Calculating Luminance From Y'CbCr

I have a video feed generating a stream of of Y'CbCr frames (specifically 8-bit component Y'CbCr 4:2:0, luma range of 16-235, chroma range of 16-240) from which I'd like to calculate relative ...
Tricky's user avatar
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1 vote
0 answers

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" ...
Chillpadde's user avatar
1 vote
0 answers

How to get "Equal" (saturation, brightness) Red and Green Colours in a Web-based Application?

I am looking for a red and a green hue that are equally discernable against a gray background on any PC monitor, using HTML/CSS-based application. There are many possible solutions to balance these ...
Kiki Kawai's user avatar
0 votes
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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 ...
Alisher's user avatar