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

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9 views

What is all about writing with light gray over lighter gray or over white?

What is all about writing with light gray over lighter gray or over white? if you look in the two examples I carried you will notice that is very hard to me to read light gray or lighter color !! what ...
4
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1answer
64 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 ...
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3answers
106 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 ...
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
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2answers
44 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
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2answers
98 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 ...
2
votes
4answers
91 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? ...
13
votes
2answers
782 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
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1answer
53 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
287 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
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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. ...
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2answers
193 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 ...
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2answers
245 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 ...
2
votes
1answer
265 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
68 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
241 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 ...
0
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3answers
74 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?
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vote
2answers
56 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
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2answers
81 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 ...
2
votes
5answers
84 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 ...
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1answer
39 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 ...
-2
votes
3answers
94 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
139 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
62 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 ...
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2answers
125 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 ...
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vote
4answers
400 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 ...
2
votes
2answers
190 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. ...
0
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0answers
31 views

Accessibility (color contrast) of report inappropriate function

I'm looking into color contrast issues at present, and have noticed a pattern where 'report inappropriate content' flags seem to all fail AA compliance. I wonder if the flag was targeted via ...
4
votes
2answers
305 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 ...
1
vote
1answer
91 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
5answers
82 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 ...
0
votes
1answer
92 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 ...
2
votes
4answers
235 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
224 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
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2answers
159 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. ...
5
votes
4answers
467 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 ...
2
votes
3answers
81 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 ...
1
vote
3answers
126 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 ...
15
votes
1answer
409 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
84 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
93 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 ...
1
vote
5answers
1k 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 ...
1
vote
1answer
815 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)?
5
votes
2answers
206 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 ...
0
votes
1answer
223 views

ux color combinations [duplicate]

is there a library/blog/sites that list some sleek/modern color combinations ? It is hard to find any resources. Finding patterns of ux components is easy but color combinations are hard.
3
votes
3answers
209 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 ...
1
vote
3answers
141 views

In a map routing application, what colors should the start and end point have?

We're designing a map applications that allows you to set starting and ending points to plan a route and we're not sure which colors to associate with the two markers. This is what we've got so far, ...
5
votes
4answers
783 views

What are good contrast colors for a GUI application

I am developing a GUI desktop application using wxPython. It is not a website or any web application. I have four boxes in my GUI. I want them to be distinct. Of course They have a different ...
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 ...
14
votes
2answers
783 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 ...