Questions about colors, different color space, RGB or CMYK color model, transparent color, using or changing colors.

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5
votes
1answer
2k views

Fully Importing A Saved Colour Palette In Illustrator?

Is there any way to fully import a saved colour palette into Illustrator? I once saved a colour palette from one project and wanted to import the colours for use in another project, but I found that ...
4
votes
3answers
1k views

Color inverting layer

I am trying to make an arrow that will stand out against any background. I know there are ways to make transparent and semi-transparent images. I was wondering if there is a way to make a layer that ...
5
votes
3answers
4k views

Good background and text colors for a website with both photos and text

I put both photos and significant blocks of text on a couple of websites I run. Currently, I'm using white text on black or dark gray. It's getting a bit old, and I think I'd prefer text darker than ...
4
votes
1answer
8k views

Convert a pattern/photo to a given palette

How would I convert a photograph or pattern to use only colors from a palette I give it? Is this possible in Photoshop? I think Pic2Color used to do something like this but it's offline... Thanks!
6
votes
3answers
2k views

How to choose the right color to get the wanted effect in web design?

For example, in this tutorial, how could the author know which color to choose for creating a navigation bar? Why did he/she know that the gradient from #d0d0d0 to #f9f9f9 would generate the following ...
3
votes
3answers
119 views

What colors to choose for displaying blocks of texts on a colored background?

I know, that color of the background and of the text should have enough contrast to each other. That rule in mind, blue (#0000ff) text on red (#ff0000) background should be fine. But I get the feeling ...
4
votes
2answers
1k views

Command line interface-based way to desaturate and posterize an image?

This is by far my most common task, and I'd say I've wasted about 1000 mouse clicks on it in my raster-based program. Because it's so common for me to start off desaturating an image and then ...
5
votes
2answers
426 views

Why are certain colors more prone to compression artifacts than others?

I most often see this with compressed video, but I've also seen it often enough with JPEG images. Many times blacks, reds, and other generally dark colors seem to be especially prone to compression ...