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

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19
votes
4answers
919 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 ...
23
votes
3answers
3k 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 ...
0
votes
2answers
53 views

Where to place a color picker?

I am working on a list of item with a color picker for each and I wonder where is the best place to deploy the color list. A : in line (above) B : in line (behind) C : Under D : Under and behind ...
1
vote
2answers
152 views

Should buttons be illuminated, or darkened, upon hover? [duplicate]

To most, this question might feel subjective... but there's really more than just opinion involved here. If you hover your hand over something in real life, most times a subtle shadow will appear ...
4
votes
4answers
456 views

Should we use form button color to indicate task outcome?

I work in large company and We are building our UX guidelines for new applications. We have lots of legacy LOB applications with workflows that assign tasks to humans. Some of them are simple tasks ...
1
vote
5answers
2k views

Basic color scheme for great readability [closed]

Are there any good recommendations for web site color scheme that provide good readability e.g. body text color (body) main heading color (h1) sub heading color(h2, h3 etc) background color border ...
2
votes
5answers
120 views

Colors to mark items, what about black and white items?

We build a transit app, and want to use colors to denote train lines (that match with the train companies' descriptions: yellow line, blue line, etc). So we came up with the screenshot attached, very ...
2
votes
4answers
109 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? ...
1
vote
1answer
364 views

Correlation between number of colors used and brain processing?

A professor once told a class I was in that there is a fixed amount of bits one can process at one time. I've always thought of it as our brains processor speed. This was in a HCI class. He also ...
16
votes
2answers
863 views

Is there research supporting the link between colors and emotions?

I recently reviewed a style guide document and came across a passage concerning colors. In the text, different colors are attributed to different emotions, e.g.: Orange stands for lust for life ...
0
votes
1answer
62 views

Correct way to present an option for visual deficiency (ie. colorblindness)

I would like to present an option for users who have a visual deficiency (specifically, colorblindness) to choose so that the UI can adjust its colors accordingly to best suit them. What should I name ...
4
votes
2answers
328 views

Do colour differences which also carry major brightness differences fail WCAG 2.0 SC 1.4.1: Use of Color?

I've run into a conundrum with WCAG 2.0 Success Criteria 1.4.1: Use of Color whilst assessing an internal project for WCAG Level AA compliance. Among my assessment, I'm assessing controls that ...
1
vote
2answers
213 views

Is there any research on colors choice for the web?

I'm writing a thesis on web usability. I'd like to mention the choice of colors and which ones are appropriate to use and which are not. Now I've searched on the internet but what I've found so far ...
2
votes
1answer
677 views

Should the header be the same color as the footer in Material Design?

Strictly speaking of Material Design, Google states that you should use hue shade 500 for large areas of color. I would guess the header is considered large area? Should the header and footer be the ...
2
votes
1answer
112 views

How to determine color palettes visible for the colorblind?

How can I create a color palette that can still be visible by those who are colorblind? Is there a resource that can help determine if color palettes meet WCAG standards? If not, could someone ...
1
vote
2answers
90 views

Is blue text, or blue background better for maintaining alertness?

Recent studies on blue light increasing alertness lead to the questions... For online research, which is mostly scanning for relevant text, is black text on a blue background better? For intensely ...
0
votes
3answers
149 views

What's the best way to show active state?

I just wondered if it would be better to have the active state white or yellow. So which of both would you consider active at the moment?
0
votes
2answers
100 views

How to inform about fields in a big form?

I have to improve a very big form with at lot of fields. I'm thinking about making some type of marking to inform the user about: 1. Fields that should be filled 2. Mandatory fields 3. Content that do ...
1
vote
1answer
106 views

Generic input and output colours

I'm developing a game which features various power creating devices, machines that require power and cables to link the two together. Because of a bug that caused the cables to drag power from the all ...
27
votes
9answers
6k 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 ...
-2
votes
3answers
166 views

Color to depict status [closed]

I have line charts which show active, inactive and failed status of an application. Please suggest which are the best colors to depict that.
4
votes
2answers
190 views

Emphasizing “X days left in trial”

My product shows an indication for number of days left in the free trial: When the number of days left is 3 or less, I would like to emphasize it by coloring in red. What would be the correct way? ...
4
votes
1answer
78 views

Could traditional print benefit from beeline reading?

(Not sure if this is the right exchange for this kind of question, so feel free to transfer it somewhere else.) I just recently rediscovered that I have the Beeline Reader extension installed in my ...
11
votes
5answers
8k 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 ...
2
votes
2answers
167 views

Using black for CTA

I've recently design a website for a client, and at some point he was talking about the Call to action color and he said "I really want to move away from colors. Can we use black please?". I've made ...
0
votes
5answers
103 views

Best way to differentiate “downloading content” and “downloaded content”

I'm working on an iOS app that lets users download and watch video content. In the playlist section I'm trying to find a way to clearly show what titles are being downloaded, and which ones have been ...
2
votes
2answers
274 views

What's your method for choosing button colors?

I realized this has been discussed in different threads, but often what I've found is the topic is segmented into only a couple of actions; i.e. Save and Cancel, or Positive/Negative relationships. ...
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?
4
votes
2answers
773 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 ...
63
votes
12answers
24k 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 ...
1
vote
1answer
139 views

What color should be the color of unread inbox indicator?

Recently there was a request about changing the color of inbox unread inbox indicator to green, so it make me think: What would be the best color or for indicator of unread inbox messages (irrelative ...
0
votes
1answer
114 views

Show items related to selected item in list

I have a list on my UI. One item in the list is selected. Out of the remaining items, few can be related to this selected item and other may be totally unrelated. For example, Item4 is selected. No ...
0
votes
3answers
251 views

Website theme change checklist

We are adapting the current UI to the new look, by just changing the font/logo and some graphical images. Current Site Looks like Basically, I am trying to put all the changes in the document and ...
2
votes
4answers
285 views

Why does Google Calendar use a RED 'Loading…' overlay

I've noticed that Google Calendar uses a red Loading... overlay in the top righthand corner on Ajax actions (e.g. opening a calendar item): I know that Google, being Google, have redefined the ...
1
vote
1answer
244 views

How to offer sorting on a color coded table?

Am using a table to display list of names/addr/etc along with colored backgrounds for 'verified','problem' and 'unclassified'. I've been asked to provide a means to sort by these three classes and am ...
0
votes
2answers
346 views

Best color to represent a price decrease or sale? [closed]

I work for a startup in the world of price tracking across multiple retailers. There's an internal debate at the company about color choices that represent a price that has dropped on a product. ...
2
votes
3answers
89 views

Would it be easier to scan a list of grayscale profile pictures compared to colored?

Our search is giving a list of persons and their profile picture with some additional information, last updated, name & title. As of now, we are grayscaling the profile pictures, with full color ...
3
votes
3answers
512 views

Placement of Buy now/Download buttons

Hello respected UX community, I am working on a new website which will be used to sell a software application, but will also have a free limited version of it (not time limited, but feature limited). ...
12
votes
4answers
17k views

How to best communicate color names to users more clearly

Many times in using general color names in communication, i.e. Red and Green, users are confused when the color is a non-pure form of the color. For Example, in referring to the Red-ish color of the ...
5
votes
4answers
492 views

What's the best way to represent a number which is over/under a reference?

I work with a resource management web application. I have a grid of numbers (resources forecasts). I need to show in this grid if the numbers are over or under a reference (resources capacities). I ...
1
vote
3answers
151 views

Should the “zebra striping” data grid set-order column be highlighted, or is it enough that little arrow?

[For PC applications (desktop and web)] As a common rule, when showing data grids, and sorting data through one of its columns, a little arrow appears on that column (sometimes also, the header ...
16
votes
6answers
5k 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 ...
15
votes
1answer
524 views

Measuring how easy it is for a humans to distinguish two colors

From looking at the Hex values green "008000" and forestgreen "228b22" seem to be more different from each other than seagreen "2e8b57" and forestgreen "228b22" If simply add up the difference by ...
1
vote
1answer
102 views

How to color curves in a Timeseries Chart?

I have a realtime timeseries chart which should show a variety of values. To make it mor clear: It should contain values for a solar park. Therefore I have stuff like Voltage, Current, Power (absolute ...
0
votes
4answers
105 views

Slightly dark frame on light content versus light frame on slightly dark content

I have a text area, and need to make its background color different from the surrounding background (frame, which has other object in it) color. I do not want to make their colors too different, so ...
10
votes
3answers
10k 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?
5
votes
2answers
221 views

How should you create simple, color-coded graphics for color-blind people when the graphics are particularly thin?

I'm starting to make a Flash puzzle game, and I started thinking about how to implement a color-blind mode. (I know there's a game development SE, but this is a user experience question.) To keep it ...
1
vote
1answer
1k views

New Android UI color palette docs, don't understand some colors names (A100, A200…)

About color palette: Android UI Color Palette What are the color starting with 'A' (A100, A200)?
3
votes
3answers
266 views

Why hover colors are often inverted

Recently I see more and more websites using color invertion as a hover visualization. For me it's really annoying as I usually start to read the first few words and than hover over the line to have a ...
14
votes
2answers
808 views

Why print the text of a color name in that color?

The other day I was driving behind a bus and it had a sign on the back that read "This vehicle does not turn on red" and the word "red" was colored red while the other text was black. Is there an ...