the visual perceptual property corresponding in humans to the categories called red, green, blue and others

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74
votes
13answers
29k 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 ...
26
votes
8answers
11k 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 ...
4
votes
4answers
932 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. ...
54
votes
6answers
76k 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 ...
64
votes
5answers
129k views

Dark or white color theme is better for the eyes? [duplicate]

This is not a programming question, but it concerns the programmer itself. So I don't know if it really belongs on this site. But my question is: what is better for the eyes, a dark color theme or a ...
25
votes
5answers
6k 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 ...
61
votes
9answers
15k views

Is there a problem with using black text on white backgrounds?

Why do a lot of websites use a text color other than #000000 black when the background is white? For instance, this text will be displayed using a dark grey: .post-text { color: #333; } Have ...
43
votes
6answers
3k 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 ...
8
votes
3answers
4k 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.
26
votes
9answers
12k 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 elements ...
25
votes
3answers
10k 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 guesses)...
12
votes
4answers
4k 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 ...
11
votes
4answers
484 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 ...
32
votes
2answers
10k 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 ...
5
votes
3answers
966 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 ...
23
votes
5answers
3k 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 ...
16
votes
8answers
923 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 ...
10
votes
4answers
25k views

Which colors make you hungry

I am working on a new brand, which is all about food. What colors should we use for the logo and website? I keep reading that red makes you hungry, but i would like to stay away from that color. ...
6
votes
3answers
597 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 ...
8
votes
4answers
353 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 ...
74
votes
10answers
6k 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 ...
39
votes
2answers
3k views

What rules does Google use to make a button gray, blue, or red on their sites?

This has been an elusive topic, and I haven't yet been able to form my own conclusion about what Google's reasoning is to make a given button blue, red, or gray, given their latest design ethos. Take ...
49
votes
12answers
92k 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 feature,...
26
votes
2answers
8k views

Having 4 colors in logo (like Google, Microsoft and eBay), for which kind of companies does work too? [closed]

Google, Microsoft, eBay (and some other corporate companies) use 4 colors in their logos: Blue, Red, Green and Yellow. How does it help their branding? And for which kind of companies does it work....
49
votes
9answers
9k views

What color for error messages for a form with a red background?

I have a big website with some forms. There are four background-colours for the form components. One of them is pink/red. Here the image and the error message: I can't change the form background-...
13
votes
8answers
2k views

Intuitive colour pickers for non-expert users?

Does anyone have examples of favourite colour pickers (as UI elements, not dedicated color-picking apps or sites) for common, 'everyday' colours - not for RGB or HSL values? I find traditional colour ...
6
votes
5answers
8k 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 ...
26
votes
5answers
2k views

Displaying states of machines – Overview site

We need to display the state of some machines in our web application. The machines can have about 8 different states. Our idea is to make a site where the user can see all machines and their state. ...
19
votes
7answers
3k views

Is it a bad idea to use grey buttons?

Our design team is thinking of using grey secondary buttons on our site. I'm concerned they may appear to be disabled to our users (especially when used with the primary orange buttons). There is a ...
19
votes
4answers
976 views

Dark screens in cars

I am a designer just preparing an app for the "in car" area. Normally we have a bunch of colors to use and we usually use dark colors on a light background. Now our client came up with some question ...
17
votes
10answers
2k views

How much color may a UI have?

I work on a Network management system (NMS) frontend. Basically this app shows a list of alarms, updated in realtime. Such NMS apps already exist in a large variety, but two things they have in ...
13
votes
5answers
2k views

Which color for a “Pay now” button?

I know there is no such thing as one good color that can be universally accepted, but I've been told orange is the "right color" for the payment button, and it is notable to see how both Paypal and ...
11
votes
5answers
9k 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 ...
6
votes
1answer
496 views

How much darker should yellow be get the same contrast as other colors?

By how much should the color yellow be darkened to get the same contrast values as other colors displayed on a computer screen? This is something that i would do by sight, but i was wondering if ...
5
votes
4answers
1k views

Should we risk using colors other than blue in Web apps?

Trends: New Colors (we’re looking at you, #00A0D1) If there’s one thing that’s been stagnant in the design community, it’s the originality with colors. Sixty percent of the applications on my ...
18
votes
11answers
4k views

Is red an acceptable colour for a submit button on a form for a purchase or booking?

I have been drafted in to provide UX feedback on a recently completed website. One point I made was that red was not a suitable colour for a positive action, i.e. completing a form. The reply cited ...
12
votes
6answers
1k views

full-color icons vs. greyed-out icons in menus

Icons in menus are often full-color. Even though the page an icon/menu item controls is not active, the icon still appears in its normal hues. To distinguish the icon which is active, a designer will ...
7
votes
3answers
3k 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). ...
7
votes
3answers
574 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 ...
6
votes
7answers
2k 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
7answers
3k 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 ...
4
votes
2answers
1k views

What is the best way to display disabled field and text for accessibility color contrast support

I am working on a project which needs to support color contrast accessibility. Currently on our system disabled data is presented as grayed-out, but now we need to support color contrast for ...
2
votes
4answers
113 views

Support consistency or primary user journey?

Here's my question. Should a button with an important action such as "Preview" always have the same visual appearance and poisitioning or should it change according to the primary user journey? Let'...
9
votes
4answers
688 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 ...
5
votes
2answers
533 views

Origin of “big green button”?

I found meme about big green button. When people visit download sites (like software directories, file hosting sites, torrents, etc) after completing reading page title and deciding to download they ...
4
votes
3answers
747 views

Grey versus white background for ease of use and readability/legibility

Many websites by default use a white background for maximum contrast (with black text) so I am wondering if there is a case for a very light grey background to be used instead because it comes up as ...
3
votes
3answers
233 views

What's a good modification/alternative to differentiating categories by colour when the number of categories grows large?

We have an application in which users carry out similar tasks on different types of reports. As such, the user's first interaction with the app is to select a Report Type. To make it easy to tell at a ...
1
vote
3answers
175 views

Color Emotion Naming Convention Standard?

So I'm using one of the UI frameworks for a project I'm working on and I notice that there's a general naming convention for use of specific colors that are represented as moods. e.g.; Assertive =...
12
votes
3answers
2k views

Why is the close button in the title bar red in Windows 7?

Perhaps to prevent users from closing the window or application inadvertently? But is it also a distraction because the color of red stands out? Any insights?
6
votes
2answers
260 views

How important is the ability to change the color theme on a desktop application?

At my company we create Windows desktop applications using Microsoft's .Net (WPF to be specific). The window or "chrome" is completely customized, meaning that we do not use the standard Windows ...