Questions tagged [color-separation]

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17 votes
5 answers
7k views

Why do red, green, and blue make up all the colors?

Why do red, green, and blue combinations can make up all the visible colors?
Hedayat Mahdipour's user avatar
7 votes
1 answer
316 views

How to do a color separation with more than 3 primary colors

How would one do a color separation if there are more than 3 color primaries, or the primaries are nonstandard. In Standard CMYK conversion K is relatively easy conceptually to figure out. Its just a ...
joojaa's user avatar
  • 8,397
4 votes
1 answer
196 views

Javascript color extraction library

I have a small project that needs to extract the perceptually-salient colors of an image, in javascript. There are a few libraries out there (color-thief.js, vibrant.js). The trouble is, I'm finding ...
Escher's user avatar
  • 423
2 votes
1 answer
100 views

Mixing HSV Channel

I have a question about the saturation channel. 1.) So far I know, that saturation channel only give intensity to Hue channel, but I do not understand, how saturation channel can be dark and what is ...
Ahmad Mustain Billah's user avatar
1 vote
2 answers
56 views

splitting hue & saturating and leaving value behind

In an HSV model, the Hue is the color model. So when we split the image or remove H, should we get an image without rgb colors? Similarly, saturation is the gray shade. I read that images become more ...
Jbd's user avatar
  • 113
0 votes
1 answer
616 views

What is this vertical line contour effect in glitch art called?

Some underlying portrait above is glazed over with a series of vertical lines that neatly follow the contours of the face. What is this effect called and how can it be replicated, step-by-step, in ...
user610620's user avatar