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

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4
votes
1answer
190 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
384 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
205 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
294 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
198 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
143 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
184 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 ...
3
votes
4answers
304 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
254 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
87 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
119 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
124 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
704 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
155 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
477 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
291 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 ...
2
votes
1answer
186 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
921 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
205 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
75 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
172 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
210 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
354 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
146 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
368 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
503 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
365 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
212 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
155 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 ...
10
votes
2answers
812 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
845 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
362 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
398 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
682 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 ...
6
votes
5answers
4k 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 ...
6
votes
2answers
890 views

Changing a White Background to…?

I am in the process of creating a website. Currently the website has a solid white background with black text. However, on different monitors the white background can be blinding bright. I have ...
6
votes
4answers
517 views

When to display a link as a previously visited link?

Websites of today contains a variety of links including logo link, global and local navigation links, supplementary or related links, other header links, footer links, inline related links and more. ...
1
vote
3answers
449 views

What are best icons to identify/distinguish TCP and UDP connections [closed]

I have a desktop application that serves as a smart, software-based router. Each of multiple nodes in the GUI can be either a UDP or TCP connection. We have the following status icons for the node: ...
9
votes
4answers
535 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
194 views

What is the validity of contrast and colours tests?

I just ran a contrast and colour test (using checkmycolours.com in this case) on our corporate site (www.dotblue.net; if you care) and it reports quite some failures. However, I explicitly optimized ...
4
votes
2answers
158 views

Change button for color input modes

I have this SWT widget (color picker) with label: By pressing the star button, color picker field transforms into code field, where you can write code: I am not satisfied with this "star ...
23
votes
7answers
2k 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 ...
5
votes
3answers
580 views

Battery - what percentage range to use for each color?

I need to display battery with 3 colors: green, orange (or yellow?) and red. This device's battery (like iPad, iPhone etc..) with a battery life of up to two days. What percentage range to use for ...
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 ...
2
votes
2answers
163 views

What to present when wrong log in information entered [duplicate]

In my sign in page I made it so that the page doesn't need to reload when the wrong password is typed (similar to Google's). What should happen when the wrong password is typed? Right now I have text ...
18
votes
7answers
1k 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 ...