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

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0
votes
0answers
41 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
1k 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
3answers
45 views

cart call to action color on mobile [on hold]

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 ...
6
votes
6answers
159 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
69 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
189 views

Bold colors for mobile applications [on hold]

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
88 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 ...
4
votes
0answers
1k views

Color palette for website I am working on [migrated]

I recently was hired to work on a website, however I am having a very hard time trying to come up with a color scheme because of the companys choice of brand color. Their color is around #f37321. It ...
2
votes
1answer
90 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 ...
1
vote
3answers
427 views

Background colour suitable for both black and white text

In my web page i have a black textured background and in foreground light blue, white, gray, yellow color texts are present. Colors that doesnt go with black color background are not visible. Can ...
50
votes
8answers
11k 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 ...
0
votes
2answers
51 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 ...
12
votes
1answer
1k 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
150 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 ...
44
votes
5answers
55k 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 ...
4
votes
1answer
72 views

Color picker – indicator / selection marker

I have a color and brightness picker: It has been designed for touch interaction; you can scroll it horizontally. Now here's the thing: How do I design a good indicator for the currently selected ...
12
votes
8answers
1k 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
120 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
832 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
49 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
113 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 ...
3
votes
4answers
414 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
98 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 ...
40
votes
10answers
62k 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 includes this option so it seems to be a recognized ...
2
votes
4answers
100 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
329 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 ...
13
votes
2answers
806 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
55 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
302 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 ...
24
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. ...
1
vote
2answers
200 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
401 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
90 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 ...
2
votes
3answers
480 views

Color differences, android vs laptop and iphone

I developed a logo for an app I'm going to create. THe problem is that on my phone the color is WAY off...like NEON. (btw i saw another post like this but there was no definite answer). I checked it ...
1
vote
2answers
65 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
87 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
87 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
47 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
5k 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
114 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
146 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? ...
1
vote
4answers
404 views

What is the reason for small, lightly coloured text?

We are all familiar with the concept of fine print for text that is to be discouraged from being read. However, lately I've been finding many websites whose main content is in tiny, lightly-coloured ...
4
votes
1answer
64 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 ...
10
votes
5answers
7k 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
130 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
88 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
213 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. ...