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

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8
votes
2answers
800 views

Colourblindness in design

I'm doing a little research to see how many people are affected by colourblindness to see if it is useful for our company to put some extra attention into our designs for those who are colourblind. ...
18
votes
11answers
3k 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 ...
0
votes
2answers
86 views

Is there any science way to find out the suitable contrast for text and background colour?

Here is the four text with different level of grey: As you can see, the first line is very difficult to read, and the last one is the best to read. So, is there any science number behind this ...
1
vote
1answer
226 views

Designing the UI of a chrome extension's popup

I just built a chrome extension for my college. It helps students know their total marks and % without manually adding their marks. The user doesn't interact with the popup. He only watches the ...
2
votes
2answers
279 views

iOS Color Picker User Experience

I'm creating an iOS game that allows the user to customize different parts of the main character with a color picker of three sliders. I'm wondering which would be better for the user experience, HSB ...
0
votes
2answers
95 views

Use of color for YouTube voting buttons

I am try to learn good UI design and have been looking through examples like YouTube to see how and why they do things. The design behind the voting buttons is confusing me. When the up vote button ...
26
votes
2answers
6k 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 ...
3
votes
1answer
569 views

How does Windows 7 Aero taskbar determine button hover-state background colour [closed]

This has intrigued me for quite some time. Does anyone know the algorithm Windows 7 Aero uses to determine the colour to use as the mouse-tracking hover highlight on taskbar buttons for ...
2
votes
4answers
130 views

Is there an established gradient of colors reflecting completeness of a form?

We have a grid of lines, each of which needs all fields to be input and valid before becoming eligible to submit. There are a few states before reaching elibigility, and i'd like to indicate via the ...
22
votes
5answers
30k 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 ...
0
votes
1answer
600 views

Should Income and Expense in money management app be red or green?

I'm designing a money management app, and I'm curious what does people react to the color red and green. Incomes should be displayed green or red? And expenses?
3
votes
1answer
162 views

Studies about yellow increasing readership of technical materials?

I have read contradictory opinions on this topics. In general it is thought that yellow is an intellectual color. The problem is that most of the "studies" seem very pseudo-scientific. Some point out ...
4
votes
1answer
222 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 ...
3
votes
4answers
429 views

Which map background color is best (from the perspective of ergonomics at the workplace)?

Which map background color (white, black, other?) is best from the perspective of ergonomics at the workplace? Certainly aspects play a role such as reflections, tiredness of the eyes, contrast and ...
2
votes
2answers
219 views

Why is red associated to greatness in some websites?

I have been lately wondering why some websites who rank products associate the red colour to being good and green with being bad. Isn't red usually associated to danger or to something you want to ...
1
vote
7answers
297 views

Completely redesign a website every so often? Good or bad?

The Managers where I work tend to want to redesign the website every year or so. Different layouts, color schemes, etc. I think they look at it so often they want to freshen it up and give it a new ...
1
vote
4answers
234 views

Is it possible to imitate sunset and -rise? [closed]

I reformulated my question entirely. So here we go again ;-) Lets say my goal is to imitate (parts of) the "sunset/sunrise happening" with or within a digital device. I want to transport that feeling ...
3
votes
1answer
147 views

Good colors to indicate presence (in/out)

I'm designing an app that allows people to indicate if they are in or out of the office. When they change state, I'm showing a pop-up screen with an in icon or an out icon. Currently the background ...
5
votes
4answers
189 views

How to show for user that the link is visited?

Is it good practice to make visited links different color from not visited links? Many browsers make visited links violet. Or is it good to remove underline from visited links if not visited is ...
5
votes
4answers
470 views

On TV, when you see an infomercial, why do they use jarring colors?

When you see an infomercial "buy now" type commercial on TV, they always use the jarring contrast of big yellow font on a blue background with a small viewport of video displaying the product. Does ...
3
votes
3answers
268 views

Allow users to change text and background color in my web app?

Background: I'm building a basic web app that's targeted toward (wait for it) academics. The app is entirely text-driven, and will not involve any images. It will incorporate some databases and longer ...
1
vote
2answers
97 views

From an accessibility perspective, is it alright to use blue text for headings?

Since most people associate blue words/phrases on a webpage with hyperlinks, I know it's a bad idea to use blue text to provide emphasis on a word or phrase within a paragraph. However, does the same ...
2
votes
3answers
130 views

How to improve calendar event containment?

I'm using FullCalendar on a project where users primarily have a single event that lasts multiple days or weeks, with multiple other events scattered throughout. I've had a handfull of users say that ...
2
votes
3answers
132 views

Color Combination

I am trying to create a webpage and I don't know much about UX. I am quite confused about the colour combination of text. Like here(in the picture) I used two different colours for the Title and Tag ...
18
votes
4answers
735 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 ...
1
vote
3answers
174 views

What should I use to represent “too high” and “too low” with icons and/or colors? [closed]

I'm working on a project where we will present the user with a grid of rows, each of which has a value that's too high or too low (a value associated with the row is higher or lower than the range ...
2
votes
4answers
488 views

Why is there a contradiction between red in software and in workshop hardware?

If we often use red in software to warn someone to think before interacting with something, like a delete button for example, why do serious power tools like circular bench saws have big red buttons ...
1
vote
2answers
326 views

Should I use a single gradient or plain color background for my app?

I have an app with a screen for a list, a screen for a photo preview, a screen with fields for entering data and of course a splash screen. Should I use a single gradient/plain color background for ...
3
votes
1answer
221 views

How to interpret wcag2.0 guidelines on contrast for buttons and icons

The accessibility guidelines from the W3C offer neat and usable guidelines for creating text that is readable for everyone. There are a number of very useful tools for checking contrast levels, so ...
1
vote
4answers
1k views

Professional Slides presentations. Light or dark background?

I must choose my company's default PowerPoint presentation template. Having in mind that this template should be versatile, and that people want to create presentations quickly, should I create a ...
2
votes
5answers
209 views

Do you account for colours looking different depending on the background?

I have a website with a white background, but dark grey header. I like to use #09F (light blue) for hyperlink text, but they look a lot different depending on whether the background is dark or light. ...
1
vote
2answers
81 views

Correction in color model

In HSL color model, I have a subjective feeling that there is interaction between saturation and lightness. That is, as the lightness becomes close to 0 or 1, we need a larger value of saturation in ...
2
votes
4answers
182 views

Color for an “online” indicator

I always thought that green fits best if you want to indicate a successful connection. But I recently noticed that our router at work uses blue LEDs. Is there any difference in their meaning? Like ...
2
votes
4answers
224 views

Which color to choose for food? [duplicate]

I'm building an Online Food Ordering website, where users can order food from their favourite restaurants. I'm confused in selecting the colors for the website, can any one help me with it. Which ...
4
votes
4answers
435 views

Transparent resin casting vs. solid metal color

I am designing an electronics circuit (gps-tracker/recorder) that I would like to cast in a material for durability and aesthetics, as pictured. I may decide to sell it at some point. It would be ...
2
votes
3answers
152 views

What factors to consider when picking a color theme for a short user survey?

I fairly frequently create short, google-doc surveys with 3-5 questions. Before today I always used the default template and never thought to change colors. However, considering I also work at a ...
5
votes
6answers
391 views

Red (and green) indicator icons on a dark blue background

We have a webapp with a dark blue background (this is a branding decision, and we don't want to revisit it... yet). We want to indicate positive/negative change with the traditional "stock ticker" ...
6
votes
6answers
561 views

Effect on usability if I use green and red colors (for meaning) in an app whose color scheme does not include those colors?

I am working on an application that models physical hardware to the user. As such, showing things colored red seems to be a very natural way to communicate an error state, and showing them green ...
2
votes
3answers
372 views

Why are so many mobile side panels dark grey?

The fact that so many mobile side panels are dark grey (Facebook etc.) - is it based on any research?
16
votes
2answers
1k views

Should punctuation at the end of a sentence be bold, emphasized, or colored?

I've worked with both a designer and an editor on a project which required their mutual agreement. One of their differing points was about whether or not punctuation should be bolded, italicized. An ...
40
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 ...
0
votes
1answer
241 views

Highlighting incoming/outgoing amounts in the balance sheet

I am designing a screen that has a long balance sheet, with hundreds of transactions. I was thinking of highlighting incoming/outgoing rows using different colours incoming - green, outgoing - red. In ...
0
votes
3answers
166 views

Putting content in white boxes on grey backgrounds

Why do sites like Google+ and the new upcoming Facebook news feed put their content in white boxes on grey backgrounds? Are there any benefits to this compared to say an all white background like ...
11
votes
2answers
1k views

Should websites provide high contrast or alternate schemes?

With regards to Accessibility, many sites focus on font-size adjustments either the browser's / OS's native controls or via a control on the page (usually denoted by 3 capital A's of varying size). ...
2
votes
6answers
848 views

Dark labels or light labels

Just wondering what your opinions are on html forms. Is it better to have a light coloured label and a dark coloured value or the other way round, a dark label with a light value? What are the ...
9
votes
2answers
369 views

Color of “Download application” button

We have mobile applications both for iOS and Android. There also is the site, supporting the application. We have put 2 buttons on our site for downloading application. We did like it usually is done: ...
5
votes
3answers
411 views

Is it better to 'XOR' or 'shade' text that is highlighted?

What is the best way of displaying highlighted text in a text editor? I know of shading, which simulates what a physical highlighter does: And 'xor' highlighting: Are there any other methods? ...
9
votes
5answers
792 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 ...
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 ...
0
votes
0answers
48 views

Resources on Distinguishable Colors? [duplicate]

For clarity, this isn't an accessibility question. I want the colors to be distinguishable from each other for differentiating items that will re-occur in a calendar. I'm building an app where ...