the visual perceptual property corresponding in humans to the categories called red, green, blue and others
20
votes
5answers
2k views
Choosing a set of colors
I'm not a graphic designer, and I can't afford one for my open source project, so I thought I'd crowdsource this one. I'm trying to work out a set of 6-8 easily-differentiable colors for categories in ...
18
votes
9answers
3k views
What are the negative and positive aspects of dark color scheme?
I am using Light-on-dark color scheme (dark background with light text) in my application.
My question is, what are the negative and positive aspects of this color scheme and why this color scheme ...
7
votes
3answers
2k views
Why are most social networking sites in blue?
Why do most social media websites use blue as the main color? e.g., Twitter, Facebook, LinkedIn, foursquare, ...
I am only interested in answers based on some scientific research.
22
votes
9answers
1k views
What are good resources for testing UI design for color-blind users? [duplicate]
Possible Duplicate:
How can I check if my user interface is suited for colorblind people?
I'd like to ensure that color blind users experience the UI with sufficient contrast between ...
21
votes
8answers
3k views
Should hyperlinks be blue?
I've built a site where all hyperlinks have the default colors: blue for links, purple for visited links. They turn red on hover.
I believe that always using blue for hyperlinks is a good thing, so ...
5
votes
4answers
1k views
Choosing high contrast text color (in relation to background color) dynamically
My application has an area with some number of controls. Each control's background color expresses a state of some sort. The controls are also numbered via some text in their foreground. For ...
5
votes
3answers
380 views
Why are primary/call-to-action buttons usually plain blue?
I understand the reasoning for using blue in general, for backgrounds, etc...
What I'm asking about is the blue in twitter bootstrap framework and other similar frameworks. It seems to become a sort ...
12
votes
8answers
715 views
How to determine whether links have enough contrast?
I find it very hard to distinguish links from normal text on Programmers Stack Exchange, especially visited links on wall-of-text posts. The colour scheme used is:
Background #fafafa (there's a ...
35
votes
6answers
2k views
How can I highlight errors when bright red is the main color of the brand?
I'm working on a mobile website for a client whose main brand color is red. The website header and headings are all red. CTA buttons are red too. How can I effectively separate errors (mostly in form ...
18
votes
5answers
14k views
What is the best color combination for on screen reading?
I work at an airline as a pilot and I am involved in the "paperless" project which aims to have no more paper in the cockpit - all the data should be accessible from tablet devices.
We have a lot to ...
6
votes
3answers
326 views
Are dark non neutrals colors suited for page backgrounds or is it more advisable to go for neutral colors like black or dark grey?
I am just finishing up a site for a non profit and we are having a bit of a debate of about what the background color should be
I have been trying to emphasise on the need for a neutral color like ...
13
votes
3answers
1k views
How many visually distinct colors can accurately be associated with a separated legend in a figure?
For charts and graphs it's a relatively common question by programmers to want to procedurally generate an arbitrary number of colors that are visually distinct.
Various research (or educated ...
3
votes
4answers
390 views
Best Way to Darken a Color Until it is Readable?
What's the best way to darken a color until it is readable?
I have a series of titles which have an associated color, but some of these colors are very light and any text drawn in them is unreadable. ...
64
votes
10answers
5k views
What effect would a grayscale color scheme have on UX?
I am thinking of designing a website that will have no color other than black, gray, and white (including links).
Will the absence of colors such as blue, green, etc. affect the user experience of ...
25
votes
5answers
7k views
Why are “Inverted Colors” considered an accessibility feature?
Why is it that in most Operating Systems the "Inverted Colors" display setting is considered an accessibility feature? Both Windows and OS X includes this option so it seems to be a recognized ...
7
votes
3answers
482 views
Should a multinational website background color be a conscious choice?
We know that colors represent different things in different cultures, and selecting the wrong color can have unexpected and unwanted effect on how we present our organization. Gaming sites such as ...
4
votes
5answers
4k views
How do you design a registration form?
I am trying to learn about registration forms, what should I be careful about when designing one? Is there any "best practice" or do you know any great websites with great examples of registration ...
17
votes
12answers
2k views
Is this hard to read?
This is a snippet on a site i have just been building. I considered the readability etc, and the corporate colours, and tried to work with them.
Actually, I find it quite relaxing to read and view, ...
16
votes
2answers
2k views
Is the color red really appropriate for form validation errors?
It seems to be taken for granted that the color red is appropriate to highlight errors. In the case of serious system errors, I agree. However, I'm having doubts that it's the right choice for user ...
9
votes
5answers
2k views
Why do most financial apps use a black or dark background?
I was asked today to look into designing a stock monitoring windows 8 application and I was looking around for design ideas when I noticed an interesting trend where it seems like most of these stock ...
8
votes
4answers
244 views
Using a secondary set of colors to indicate which elements of the UI can be interacted with
I was reading this article about Metro UI designs, and I was struck by this statement:
Example, if you look under the hood of a new car, you will see areas
colored yellow whereas the rest is the ...
6
votes
7answers
936 views
Red buttons in an e-commerce site?
I'm designing an e-commerce site with red buttons. It has a yellow/white background and it looks quite good that way.
Now, my boss finds the same, he likes it, but he is doubtful, because red could ...
5
votes
5answers
2k views
Easiest to read fonts
Has there been studies to determine what fonts make it easiest to read? I'm interested in the font type, but also size and color. For example, is dark gray better than pitch black?
Also of interest ...
14
votes
5answers
529 views
Monitors display more colors than human eye can distinguish
The human eye can differentiate about 10 million colors. A 24-bit display mode can produce about 16 million. Why, then, do operating systems have 32-bit and higher display modes if the apparent ...
9
votes
4answers
397 views
automatically calculate contrast
A user can change the default design of his site by selecting a color. This color is applied to the menu background color. The problem is that I have to change the menu text color depending on the ...
7
votes
4answers
264 views
What research, patterns or techniques will help me choose the correct colors (or saturations) to the various UI elements of a page?
I am building a tool that will be used by call center agents. It is to help them support products on behalf of the customers who call up. It acts as a portal to many different types of product ...
6
votes
3answers
324 views
Can using red/scarlet in a design distract users?
The colour red is usually associated with "danger" and "you're about to do something dangerous." What should you look out for if you're planning on a design that is primarily focused around the colour ...
5
votes
5answers
1k views
The colors hurt my eyes
I've built this BBC feed which people find nicely styled (please ignore the animation glitch - I'm working on it!). However, people have been telling me (and I've felt it also) that the colors hurt ...
5
votes
3answers
494 views
How can I choose a colour palette for multiple data visualization types?
I'm currently implementing the Google Visualization API into an existing platform, one requirement of which is the ability to choose custom colours for chart elements (such as pie slices and columns).
...
2
votes
1answer
132 views
Resources explaining how to approach UI theming
I'm looking for resources that best describe picking and using colors within a user interface. For example, elements that are good to color and elements that should have no or little color impact. I ...

