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

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8
votes
3answers
4k 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
203 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
703 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)?
0
votes
1answer
211 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
198 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
781 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 ...
0
votes
1answer
168 views

Why does Google Spreadsheet not use the same colors on each computer when collaborating? [closed]

When you collaborate on a Google Spreadsheet, you find yourself speaking of other collaborators with their color (the blue one, the red one, the green one, ...), however, the colors do not match ...
1
vote
3answers
125 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, ...
0
votes
1answer
134 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 ...
5
votes
4answers
742 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 ...
49
votes
5answers
6k views

Why is blue used as a background color to indicate no signal?

To my knowledge most projectors' "No Signal" screen uses a blue background: This might also apply to the legendary Blue Screen of Death So why is blue the color of choice for such error ...
0
votes
0answers
72 views

why do nearly all website use gray text instead of true black? [duplicate]

Why do most websites (including this one) use gray text (e.g. #333333) instead of black (e.g. #000000)? Is it to prevent eye strain? Wouldn't true black offer better contrast, particularly for those ...
0
votes
2answers
109 views

Should color only be used to indicate interactivity and state?

I'm looking for the best practices of the use of color for elements in a responsive design which will be used on both desktops and mobile devices. I feel like there are three spectrums of thoughts: ...
8
votes
2answers
809 views

Colourblindness in design

I'm doing a little research to see how many people are affected by colourblindness to see if it is useful for our company to put some extra attention into our designs for those who are colourblind. ...
18
votes
11answers
3k views

Is red an acceptable colour for a submit button on a form for a purchase or booking?

I have been drafted in to provide UX feedback on a recently completed website. One point I made was that red was not a suitable colour for a positive action, i.e. completing a form. The reply cited ...
0
votes
2answers
89 views

Is there any science way to find out the suitable contrast for text and background colour?

Here is the four text with different level of grey: As you can see, the first line is very difficult to read, and the last one is the best to read. So, is there any science number behind this ...
1
vote
1answer
259 views

Designing the UI of a chrome extension's popup

I just built a chrome extension for my college. It helps students know their total marks and % without manually adding their marks. The user doesn't interact with the popup. He only watches the ...
2
votes
2answers
305 views

iOS Color Picker User Experience

I'm creating an iOS game that allows the user to customize different parts of the main character with a color picker of three sliders. I'm wondering which would be better for the user experience, HSB ...
0
votes
2answers
100 views

Use of color for YouTube voting buttons

I am try to learn good UI design and have been looking through examples like YouTube to see how and why they do things. The design behind the voting buttons is confusing me. When the up vote button ...
27
votes
2answers
7k views

Is the color red really appropriate for form validation errors?

It seems to be taken for granted that the color red is appropriate to highlight errors. In the case of serious system errors, I agree. However, I'm having doubts that it's the right choice for user ...
3
votes
1answer
756 views

How does Windows 7 Aero taskbar determine button hover-state background colour [closed]

This has intrigued me for quite some time. Does anyone know the algorithm Windows 7 Aero uses to determine the colour to use as the mouse-tracking hover highlight on taskbar buttons for ...
2
votes
4answers
152 views

Is there an established gradient of colors reflecting completeness of a form?

We have a grid of lines, each of which needs all fields to be input and valid before becoming eligible to submit. There are a few states before reaching elibigility, and i'd like to indicate via the ...
27
votes
5answers
43k views

Dark or white color theme is better for the eyes? [duplicate]

This is not a programming question, but it concerns the programmer itself. So I don't know if it really belongs on this site. But my question is: what is better for the eyes, a dark color theme or a ...
0
votes
1answer
719 views

Should Income and Expense in money management app be red or green?

I'm designing a money management app, and I'm curious what does people react to the color red and green. Incomes should be displayed green or red? And expenses?
3
votes
1answer
163 views

Studies about yellow increasing readership of technical materials?

I have read contradictory opinions on this topics. In general it is thought that yellow is an intellectual color. The problem is that most of the "studies" seem very pseudo-scientific. Some point out ...
4
votes
1answer
252 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 ...
4
votes
4answers
468 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
229 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
302 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
268 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
151 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
199 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 ...
5
votes
4answers
662 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
302 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
100 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
137 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
137 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
768 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
202 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
500 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
343 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 ...
3
votes
1answer
234 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 ...
2
votes
4answers
2k 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
209 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
85 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
185 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 ...
3
votes
4answers
236 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
496 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
160 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
408 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" ...