Questions tagged [color-spaces]
Questions about the different ways color can be quantified and indexed, like for example RGB, CMYK, Lab or HSB. Also applicable to questions about communicating between different color spaces.
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Measuring Color Temperatur Of Colors Not On Planckian Locus
I'm confused, why aren't the scales in the plot (with the labels 6000, 4000, 3000, etc.) forming a right angle with the Planckian locus? In my understanding, for a color not on the locus, one chooses ...
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How To Convert SVG To TIFF For Fine Printing
I created an SVG file which I want to print at a shop which uses the Epson SureColor SC-P9500 with 12 color channels. They told me to bring a 16-bit Adobe RGB TIFF file (ideally I'd like to print ...
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How to calculate colors which perfectly fits together rgb/ryb/cmyk/?
For my project (game) im trying to create a simple color palette of ~12 100% saturation colors and use those colors aswell with different saturation-shades-tints for less important elements. (goal: ...
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Should Pantone colors outside the RGB gamut be avoided?
A product or graphic design can exist either in the form of a physical object/print or on a digital screen, which is where most people today consume media. Therefore, when specifying colors it's ...
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Best 4-color palette for dithering arbitrary images on screen
Duplicate of this question since society of retro-computing closed it and recommended it to be moved here.
In the good ol'days many computers limit their palettes to 4 to 6 colors instead of 8/16/256/...
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What do we call darker, deeper, richer colors?
Burgundy, Forest Green, Navy/Royal Blue, to me, all have a darker, richer shade than their primary color counterparts. We identify lighter, duller shades as pastel, do we have a word for darker and ...
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Software to reduce colors to optimized 512-color custom palette
I need to take a full RGB image, and turn it into image that is optimized for a specific 512 color palette that I already have(I've been hired to make graphics for a Sega Mega Drive game). I can't use ...
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How to view correctly only Luminance and Brightness in Photoshop?
After looking through the info that I report below I still wonder: 🤌 but in Photoshop what is the correct (or best) method to display only the Luminance of the colors while maintaining their ...
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Theoretical best colors for dithering
It would seem that I'm very bad at explaining myself. This is not unusual, thus this clarification.
Imagine a flip dot display. 2 colors, one or the other, per flip dot or pixel, no substrate, no ...
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Question about what colours fall into the pointers gamut
Absolutely no idea if this is the best place to ask, if not, please point me in a better direction.
Basically, I have been using this software to determine if the pixel colours of an image (the pixel ...
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Trouble converting from sRGB to CIE 1931 XYZ
No idea if this is the right place to ask this, if not, please point me in a better direction.
I am trying to convert sRGB values R:100 G:78 B:94 to XYZ using this site: https://www.nixsensor.com/free-...
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RGB and CMYK Colour Modes
I designed a book cover in Photoshop in RGB Colour Mode, as it was going to be used as an eBook cover. However, I now need to design a full wrap book jacket which needs to be in CMYK Colour Mode.
When ...
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Linked PDFs in CMYK being flagged as RGB by InDesign preflight
I have a large InDesign document with many images that are linked into it as PDF documents. I run a preflight check in InDesign to make sure everything is in the CMYK color space. These images keep ...
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Illustrator: Saving CMYK document to PDF, color change to RGB
I am having a strange problem.
I double-checked, and my document is set to CMYK, and I am using a specific ICC profile as well. I have some other documents where I am doing the same.
Oddly, I thought ...
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Is every Pantone color displayable in sRGB?
I thought this would be asked somewhere before, but I can't find it. So if you have any good links for me to read please let me know.
How much do Pantone (especially Pantone Solid Coated) and sRGB &...
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Confusion with color management - how do I get consistent colors between different viewing tools?
I'm trying to understand how to color manage to get consistent results but I'm failing spectacularly at it currently. For reference I'm using Cinema 4D with Redshift, working with ACES. On the default ...
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Difference between reference white and whitepoint, in the context of OKLab/OKLch
A new color space, OKLab, is gaining traction, so I was reading up on the documentation.
In the original post introducing OKLab, it says "Oklab uses a D65 whitepoint".
However, in the ...
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Why are some colors shown as one in some display programs?
I am very confused about this png. The colours look different on different programs. There are two types of programs:
the ones who display it correctly with many different shades of colours in its ...
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Basic practical difference between Lab and Lch color models
What is the basic practical difference between CIE Lab and CIE Lch (aka HCL, right?) color models?
All I have found about them on Google is that they are two different ways to represent the same color ...
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How are #654ff0 and #f0db4f complementary?
The new WebAssembly logo uses a colour, #654ff0, that is claimed to be complementary to the one used in a JavaScript logo, #f0db4f:
I've tried various online tools (#654ff0 gives #fd9815 or #ffd63b ...
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Why are my colors shifting when exporting a gif in Photoshop
You can see how the colors got very dull compared to the original. I've tried changing number of colors, color space, dithering. I tried locking or shifting colors in the color table. Nothing seems to ...
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Color accuracy issues Macbook / PC
I have a weird behavior between a PC and a Macbook (2016) regarding color accuracy.
The PC is connected to a BenQ SW271 monitor and the monitor is in sRGB mode
Both are calibrated using the X-Rite ...
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InDesign: Export with SVG in spot colors
My Indesign document needs to be printed with a spot color. I have a svg-logo which is supposed to have this exact spot color.
It seems that I have no control over the color of the svg?
How can I ...
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Why Photoshop changes the color after export even I use sRGB profile?
First, I created a new file in sRGB space:
Then I painted it with the color (255, 0, 0):
I double-checked that I'm working in sRGB:
Then I exported it:
Then the final result is still not shown as (...
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Is it possible and reasonable to compensate the media white point of a target color profile?
I’ve been trying to figure out color management (mostly in InDesign, but this question is more general) in a print production workflow in more detail recently.
What I am trying to achieve is printing ...
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How to divide circle of colors into named segments?
Is there some convention to divide circle of colors into named segments? I want to define segments as basic colors, like red, orange, yellow, green, cyan, blue, magenta and pink. Problem is: where to ...
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Calibrate standard rainbow colors from different bicolor images
I'm trying to figure out an efficient way (whether using Photoshop actions or whatnot) to convert a series of bi-color images into rainbow color calibration variations
Here is a sample input image (...
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Checkerboard background is transparent but doesn't have alpha channel?
I've had a hard time to understand what is the relationship between transparent and alpha channel in Photoshop for a PNG image, I have this screen shot you can see I have a checkerboard background ...
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494
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ghostscript creates sRGB not CMYK PDF file
Problem
Following recommendations from a variety of discussion (see below), I have attempted to use ghostscript to convert a PDF file in an sRGB colorspace (generated by Inkscape) into a PDF/X-1a file,...
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Color management between different pieces of software
I don't know much about color management even though I read a lot about it today. I know a computer needs calibration in order to render colors accurately, but as an amateur, I don't have the tools or ...
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Which fractal generators can render in the Adobe RGB color space?
I want to try generating fractals, viewing them on a BenQ SW270C monitor (which can view Adobe RGB color space) and then photo-print on art paper. I've previously used Apophysis and Fractorium -- they ...
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Mapping 3D RGB color-space to 1D Visible light wavelength
I wonder how to make a 1-to-1 mapping between the 3D RGB color-space and 1D visible light wavelength (nanometers)? I have shown their images below:
I mean if I want to know what is the RGB color that ...
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Color correct to counter low blue light
Everytime I create a video,it looks good in a normal screen but considering half of the people have the low blue light effect enabled, I would like to balance somehow the colors of my videos to ...
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Change in colors on different screens
So, I created a project in Illustrator and when I uploaded it on Behance the color appeared way off on my mobile, like the pinks changed to browns.
It's appearing fine on my MacBook screen but in all ...
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How can I detect if a color is gray
I'm trying to programatically detect if a color is "gray" or not.
The best measure of "grayness" I could find was the saturation. The problem that I'm running into is that ...
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How do I get the HTML hex color corresponding to a color on screen?
I need to render rectangles in HTML/CSS that exactly match rectangles in PowerPoint. How do I get the hex color code?
Presumably the Mac Digital Color Meter Tool is the tool for the job. But me and ...
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How to find a color within area in CIE 1931 color space
Color should fall within an area defined with coordinates in CIE 1931 color space as stated in CIE 39.2 - "Recommendations for Surface Colours for Visual Signalling".
The area is described ...
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YCrCb colorspace: why does it contain only blue and red color information, but not green?
I was reading about YCrCb colorspace.
First channel, Y is "luminance" (akin to the brightness) of the pixel.
Second channel, Cb is the "chrominance" (aka color) for blue.
Third channel, Cr, is the "...
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PPM wrong color display
I get weird results when displaying a PPM:
(this is actually an upscaled PNG)
And here's what the file looks like:
The dimensions are fine (10 rows, 8 columns), just the colors are wrong (or am I ...
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Where to find or how to make large harmonious color palettes?
For a website, I have a list of some 500-1000 items. I would like to display them individually with(in) e.g. a colored card but also as combinations of 2 up to ~5 items/colors. So, if I would display ...
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Gray values different between grayscale and RGB color modes?
I'm trying to understand the different numbers I get when I convert an image from grayscale to RGB or vice versa. I'm only working with grayscale values at the moment as I'm working on a heightmap but ...
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How to make truly additive “Addition” layer modes? [closed]
This image summarises my mathematical struggles with the seemingly simple rule of “Addition” layer modes in different graphics applications (tested with GIMP and Inkscape). Since the greyscale layers ...
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Is there a name/formulae for the hue-circle scaling Adobe is using with "Kuler"
It's not immediately obvious, but when you visit Adobe Color aka "Kuler", you'll notice that the hue of the color-circle is not evenly spaced:
As you can see in the image above, a regular hue spacing ...
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Krita - any color space settings/profiles that allow me to have this as Chunk data in the output PNG file?
I analysed the chunk data of a PNG image(unknown source):
In Krita, is there the possibility to export a PNG with these types of chunk information directly in the export process? (gAMA, file gamma ...
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Web Safe AND CMYK (U.S. Web Coated v2) swatch
I was curious if there such a thing exists such as a swatch of the intersection set of web-safe and cmyk compliant colors? Is there an adobe swatch library for this? My reasoning being to limit myself ...
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What do you call (S×V) in the HSV color model?
What do you call the quality of a color being “vivid,” or in other words, the quality of a hue being distinct and recognizable? Mathematically speaking, what do you call (S×V) in the HSV color model?
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For web, should a P3 image be converted to sRGB or left in P3?
When preparing graphics for the web, if an image is using Display P3 color space, should it be converted to the so common (and so unfortunately named) sRGB EIC61966-2.1, or left in its native Display ...
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Perceptually uniform alternative to HSV for optical flow visualisation
(I'm somewhat new to this, so please forgive me if there are errors in this question.)
In optical flow visualisation, where a vector field is visualised with colours, it is common to use the the Hue, ...
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Correcting monitor colors for CYMK printing?
Looking for some help with what i think is a monitor calibration issue.
My monitor is a Eizo EV2336W, system is windows 7, using adobe products (PS, etc), also have a datacolor sypder. Within color ...
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Is any quality lost when saving a flat RGB PSD as PNG?
Sometimes when I have a PSD I'm working on, and I flatten it and do an incremental save, I save as PNG instead of PSD because (1) the file can be opened even without Photoshop on another machine, (2) ...
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