Questions tagged [color]

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

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283
votes
5answers
547k views

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

What is better for the eyes, a dark color theme or a white color theme?
224
votes
15answers
50k views

Why do people not notice our enormous, prominent, clear and contrasting purple banner?

I'm part of a MediaWiki site called D&D Wiki. Among others, one of our longstanding issues in the public eye was our failure to label clearly enough that certain pages are categorised 'Homebrew', ...
145
votes
14answers
67k 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 ...
98
votes
13answers
12k views

A UI/UX developer with color-blindness. Good or Bad idea or maybe a challenge?

I'm working as a front-end developer. I used to work on JavaScript technologies. But when it comes to UX and about choosing colors and stuff which I'm not able to understand well due to color ...
94
votes
6answers
16k views

Why is blue used so often?

I recently noticed a lot (maybe half) of my icons are blue, or in a faint shade of blue. It's also true for the favicons in my browser bookmarks. The new Windows 10 default wallpaper is blue, and ...
89
votes
13answers
33k 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 ...
82
votes
10answers
8k 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 ...
81
votes
7answers
153k 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 ...
70
votes
15answers
146k 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 include this option so it seems to be a ...
64
votes
3answers
13k views

Why is bright pink background a bad UX/UI?

A lot of people commenting on What color for error messages for a form with a red background? say that bright pink background is a bad UX/UI. Is it true? Is using bright red/pink as a background ...
58
votes
5answers
10k views

Why is blue used as a background color to indicate no signal?

To my knowledge most projectors' "No Signal" screen uses a blue background: This might also apply to the legendary Blue Screen of Death So why is blue the color of choice for such error messages?
57
votes
9answers
24k 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-...
53
votes
15answers
9k views

What are good colors for illustrating Up and Down?

Imagine a curtain, and two strings. Pulling one string brings it down, pulling the other brings it up. Usually in office environments, these two strings are the same color and this makes it so users ...
48
votes
14answers
12k views

Best color to display hot/cold but also on/off

I'm not really sure about some colours of one section of the application I am writing. Basically, I need to have a section that displays if something is ON/OFF, but also HOT/COLD. Now, usually, I ...
46
votes
6answers
5k 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 ...
42
votes
8answers
34k 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 ...
42
votes
2answers
4k 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 ...
38
votes
4answers
14k 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 ...
37
votes
13answers
5k views

Down arrow and up arrow status

I have to make an iOS app, where there are categories and I have to show the decrease and increase in status of particular category. For decrease I used a red down arrow. For increase I used a green ...
34
votes
11answers
13k views

What is the color of artificial intelligence? [closed]

What is the color of artificial intelligence, or the color which represents AI in the eyes of general public? What is the reason for that? Is there any sociological research on this or related topics?...
34
votes
9answers
25k 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 and ...
33
votes
2answers
30k 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. ...
33
votes
3answers
19k 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)...
33
votes
3answers
64k views

How to find a color scheme that's also useful when printed in black and white?

I'm looking for a 5 color color-scheme that also useful when printed in black and white, respectively gray scale. The colors should be easily distinguishable from each other. How can i do that?
32
votes
10answers
9k views

What is the color associated with lukewarm?

I'm designing a web application that crowdsources user response to another user's initiative (or project idea). The overall user response to the initiative is represented using a status component with ...
29
votes
7answers
7k views

Colorblindness-friendly colors called “green”, “blue”, “yellow”, and “red”

I need to choose a palette of four colors that satisfies the following two conditions: Colorblind people can easily distinguish all four of the colors. People with normal color vision can ...
29
votes
9answers
11k views

Dark on Light or Light on Dark? [duplicate]

For a very technical site documenting code, sharing code snippets, and documentation, I have been told that using dark fonts on light backgrounds is recommended for people being able to read the ...
28
votes
2answers
16k views

Formula for color contrast between text and background

In my Android app a user can choose the color of an item. This color is then shown in background with a text on it. I want to display the text either in black or white - depending on the background ...
28
votes
7answers
5k views

What is the reasoning behind grayscale icons?

Quite a few web applications have started utilizing gray(black) scale icons, for example Github,new Google Analytics, etc. Even applications like Firefox 4, Chrome, IE9, iTunes, Mac OS, have dropped ...
26
votes
5answers
7k views

Color choice for maximum legibility of text on glass

In our office we have transparent glass doors and we want to put text stickers on them. For example, name of the person or room function. The question is what color should be stickers to provide ...
26
votes
4answers
16k views

Why are most pens (that we use to write) blue in color? [closed]

Not a curiosity. I have emailed several ink and pen&pencil production companies and until now I didn't get any kind of logical answer. The question is why most pens contain blue color rather than ...
25
votes
5answers
8k views

Choosing a set of colors [closed]

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 ...
25
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. ...
25
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 ...
24
votes
3answers
4k views

Should I switch to a dark theme UI if the app is used at night?

Should I dynamically change the theming of my application based on ambient lighting? My app will be used in bright daylight, as well as in a dark movie theatre, or may be opened at night. I ...
22
votes
6answers
9k views

What is the most common color to indicate the input-field is disabled?

as I have been going through different references on input-field designs, I realized that people tend to flip-flop with grey or white background to indicate whether the input-field is enabled or ...
22
votes
7answers
6k 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 ...
21
votes
6answers
18k 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 ...
21
votes
7answers
4k views

Color of destructive primary button

In our app we use green buttons to signify primary actions (located on the right, but that's a whole different discussion) and grey buttons to denote secondary actions ('Cancel'). For example: The ...
20
votes
12answers
4k 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, ...
20
votes
7answers
12k 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 ...
20
votes
1answer
4k views

Are there premixed Material Design color combinations I can use for prototyping?

I'm looking at this tool that allows to select material design colors and this document by Google that describes how to pick material design colors. As far as I understand, I pick 3 primary colors ...
20
votes
4answers
2k views

How important is it to consider color for color blindness in a design

In response to this question about iconography, I was wondering about how much it is necessary to factor in color usability for people with color perception difficulties into a design. The first ...
19
votes
11answers
5k 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 ...
19
votes
8answers
1k 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 ...
19
votes
9answers
3k 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 ...
19
votes
4answers
2k 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 ...
18
votes
2answers
6k views

YouTube Premiere countdown animation

YouTube has a feature called Premiere that allows creators to publish videos so that they are premiered live, at a particular time, to all viewers. At the beginning of each premiere is a 2 minute ...
18
votes
6answers
2k views

Is flashing red text a good idea for denoting an active alarm?

I'm working on a windows application that is showing the realtime status of a particular piece of equipment. While operating the equipment (via the application), two important values & labels are ...
18
votes
3answers
8k views

Logical colors for a wireframe

I got a mail from a designer to do some wireframes. He has told me that the wireframe should have logical colors. Is there really some theory to the colors for wireframes? I have made some ...

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