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

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3
votes
4answers
965 views

Studies on color for the elderly

While color psychology has a set of more or less accepted premises, it varies according to age, geographic and cultural differences (between other variables). Now I'm building an app for elder people ...
0
votes
0answers
26 views

What should be the warn color in red interfaces? [duplicate]

I'm designing an app in Material Design that interface is primarily red. Traditionally red is used as a warn color too, but it doesn't make sense in red interfaces. What warn color should I use?
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. ...
3
votes
2answers
61 views

Group zebra striping in a dynamic table

My question is kind of related with this other one but with a big difference: the zebra striping of my table does not depend on the odd or even rows, but on the grouping of them. Now, the table ...
1
vote
1answer
105 views

How to find an accessible color by changing lightness only?

Is the following hypothesis true? For any given color: { Hue, Saturation, Lightness_1 } there exists: Lightness_2 such that the contrast ratio between: { Hue, Saturation, Lightness_1 } and ...
10
votes
3answers
2k views

When should bold, italics, and colour be used to draw attention in a sentence?

Following is my signature on some other fora: Interested in Drawing, Painting, and Crafts? Please Commit to the Arts and Crafts Stackoverflow proposal! I cannot show it here but the words ...
3
votes
2answers
74 views

cart call to action color on mobile [closed]

We are designing an e-shop for a bakery. What do you think about the yellow call to action button to complete the order? The other option is a black button. Which one do you think would create more ...
7
votes
6answers
955 views

How to measure the contrast between any given color and white?

When displaying white text on a colored background, I guess that the text is more-or-less legible depending on some kind of contrast between that color and white. My question is, is there a formula ...
2
votes
2answers
77 views

Colors on digital platforms as per time/season

Is there any research/article on colors good for particular time of day or particular season? I am in need of something which can atleast guide me in the direction and if I don't find much work on ...
2
votes
1answer
208 views

Bold colors for mobile applications [closed]

I am aware that normal convention would have designers use more neutral colors for a mobile application. In terms of entertainment based mobile applications: Is it acceptable to follow a more bold ...
1
vote
2answers
90 views

Where can I read up on the “BLU” convention? [closed]

A course in web design mentioned the "BLU" rules, which covers that visited links should be colored differently. I tried to read more about it online, but was unable to google it. Does anyone know ...
2
votes
1answer
119 views

What is the color logic behind big mobile application brands like facebook, google etc.? [closed]

Why is facebook blue? Why is whatsapp green, skype in skyblue, Gmail in Red? What is the color logic behind all these applications?
23
votes
5answers
2k 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 ...
0
votes
2answers
106 views

Best color palette for event information [closed]

I am designing a timeline in which about ten repeating events on the line are colored. My problem is that no combination of colors look good. When laid out like I have it. I've tried different shades ...
15
votes
1answer
3k 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 ...
0
votes
2answers
168 views

Dark on light versus light on dark for command line and development tools

I've been reading the very useful information in these two threads: Dark or white color theme is better for the eyes What are the negative and positive aspects of dark color scheme I understand ...
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 ...
1
vote
3answers
165 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 ...
19
votes
4answers
953 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
55 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
176 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
469 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
3k 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
132 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
110 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
373 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
881 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
65 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
340 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
217 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
791 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 ...
1
vote
2answers
112 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
180 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
102 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
156 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
7k 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
178 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
204 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
90 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
179 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
109 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
292 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
980 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 ...
66
votes
12answers
27k 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
144 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
122 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
255 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 ...