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

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16
votes
3answers
3k views

How many visually distinct colors can accurately be associated with a separated legend in a figure?

For charts and graphs it's a relatively common question by programmers to want to procedurally generate an arbitrary number of colors that are visually distinct. Various research (or educated ...
2
votes
2answers
273 views

What is the value of accent colors with regards to UX?

I have been hearing a lot about how accent colors help in visualizing the key points on the page and drawing the eye to critical action items but I havent really got the understanding of how they ...
5
votes
3answers
951 views

How can I choose a colour palette for multiple data visualization types?

I'm currently implementing the Google Visualization API into an existing platform, one requirement of which is the ability to choose custom colours for chart elements (such as pie slices and columns). ...
12
votes
2answers
833 views

Why do the iPhone and iPad keyboards use different shades of gray for the keys and background?

I noticed when working with iPhone and iPad keyboards that they are quite a significantly different colour: Is there any particular reason for this?
10
votes
4answers
359 views

How different should two colors be to appear distinct to the human eye?

I was having a look at the "Reputation" tab in Stackoverflow and it occurred to me that the yellow used to highlight the new entries doesn't stand out a lot from the white background. I really have to ...
12
votes
5answers
1k views

Which color for a “Pay now” button?

I know there is no such thing as one good color that can be universally accepted, but I've been told orange is the "right color" for the payment button, and it is notable to see how both Paypal and ...
13
votes
8answers
826 views

How to determine whether links have enough contrast?

I find it very hard to distinguish links from normal text on Programmers Stack Exchange, especially visited links on wall-of-text posts. The colour scheme used is: Background #fafafa (there's a ...
1
vote
2answers
185 views

Button color for access and deny permissions buttons?

I need to create an email template which is auto generated when an user requests access permissions to a document .The email template is sent to the document owner and is in this format : Subject: ...
7
votes
4answers
320 views

What research, patterns or techniques will help me choose the correct colors (or saturations) to the various UI elements of a page?

I am building a tool that will be used by call center agents. It is to help them support products on behalf of the customers who call up. It acts as a portal to many different types of product ...
9
votes
4answers
12k views

Which colors make you hungry

I am working on a new brand, which is all about food. What colors should we use for the logo and website? I keep reading that red makes you hungry, but i would like to stay away from that color. ...
15
votes
6answers
976 views

Is flashing red text a good idea for denoting an active alarm?

I'm working on a windows application that is showing the realtime status of a particular piece of equipment. While operating the equipment (via the application), two important values & labels are ...
2
votes
3answers
178 views

What colours should arithmetical operators +, −, ÷ and × have?

Are there any colours that are commonly associated with basic arithmetical operations? I want to make the operators +, −, ÷ and × more easily distinguishable by colourizing them. For the plus and ...
2
votes
2answers
99 views

Information Graphics vs Brand Awareness

I'm looking for some information on mapping color to graphs. To be more specific, I've got a bunch of graphs that represent Twitter, Facebook, LinkedIn and now Google+ in line charts. We've had an on ...
5
votes
5answers
2k views

The colors hurt my eyes

I've built this BBC feed which people find nicely styled (please ignore the animation glitch - I'm working on it!). However, people have been telling me (and I've felt it also) that the colors hurt ...
4
votes
2answers
426 views

Icon based buttons or Color based buttons which is more UI attractive and Friendly

I am seeing websites increasingly switching to color based buttons and interaction elements rather than icon based is this a trend or do they have reasons behind the switch? For example see the ...
6
votes
2answers
264 views

Why does ESPN subtly change the color of some of its article text?

This is something that's bugged me for years: I'll be reading a story on ESPN and notice that the first paragraph is dark gray, and the second paragraph is often black. I've even taken a screenshot ...
4
votes
4answers
365 views

How to Indicate ComboBox Value Is Dirty

I'm looking for a good way to indicate the value of a ComboBox is dirty. With TextBoxes I set the Background to yellow but that looks a little funny with the ComboBox because by default it looks ...
7
votes
3answers
332 views

Choosing colors appropriately for red-green colorblindness

I want a green for "correct answer" and a red for "wrong answer". My current choice is rgb(144, 238, 144) for the green and rgb(250, 128, 114) for the red. (See wikilearner.net/wiki for the colours in ...
24
votes
9answers
3k views

What are good resources for testing UI design for color-blind users? [duplicate]

Possible Duplicate: How can I check if my user interface is suited for colorblind people? I'd like to ensure that color blind users experience the UI with sufficient contrast between ...
4
votes
5answers
1k views

Traffic light like indicator for color-blind users?

We want to implement an indicator to display 'good' 'average' or 'bad'. So someone came up with a traffic light image. (green circle for 'good' yellow circle for 'average' and a red circle for 'bad') ...
0
votes
1answer
197 views

Usage of darker shade to show selected/focused button

Consider that I am creating an interface for a mobile app which shows a list of buttons on the main screen. I can move through the buttons using mobile keypad (feature phones) or screen touch (smart ...
9
votes
7answers
492 views

Bridging the gap between color palettes and CSS

I'm familiar with sites such as kuler, I'm well-versed in HTML/CSS/JavaScript (as a programmer), and I know what sort of content I want in my website. I can figure out how to lay out my content ...
5
votes
2answers
191 views

How important is the ability to change the color theme on a desktop application?

At my company we create Windows desktop applications using Microsoft's .Net (WPF to be specific). The window or "chrome" is completely customized, meaning that we do not use the standard Windows ...
24
votes
5answers
4k views

Choosing a set of colors

I'm not a graphic designer, and I can't afford one for my open source project, so I thought I'd crowdsource this one. I'm trying to work out a set of 6-8 easily-differentiable colors for categories in ...
5
votes
5answers
5k views

How do you design a registration form?

I am trying to learn about registration forms, what should I be careful about when designing one? Is there any "best practice" or do you know any great websites with great examples of registration ...
0
votes
2answers
178 views

Creating a UI for brightness/gamma calibration

I'm working on a game where we, at start up, display a brightness calibration screen that users can use to adjust the brightness of their screen so that the game appears more or less consistent across ...
6
votes
1answer
264 views

How to get a consistent “perceived” color on a transparent BG? [closed]

I'm in a pickle. I have to make form controls (buttons, checkboxes, text inputs, etc.) on a semi transparent black background (85% alpha). Here's what they look like so far: Notice the ...
3
votes
2answers
806 views

Applying accurate colors from desktop screen to Mobile applications

I am currently working on some skin designs for an android application and in order to achieve the desired color results, I did some color test to it. I save my files in .png and .jpg versions and ...
5
votes
4answers
1k views

When would I use HSLa over RGBa? What are the benefits with HSLa?

I recently learned about the HSLa format for specifying colors with CSS3. When would I use HSLa over RGBa? Here are two articles that briefly talk about it: http://css-tricks.com/yay-for-hsla/ ...
1
vote
2answers
397 views

Coloring Buttons

I have a application that presents the user some information about an appointment and allows them to perform any one of various actions that the user will decide on based on the information presented. ...
1
vote
3answers
287 views

Geek-friendly website design for a software shop [closed]

We are in the process of branding our start up. Our target customers are technology shops around the world. Thus we want our logo and website's look and feel to be appealing to techies and geeks (Not ...
2
votes
1answer
152 views

Resources explaining how to approach UI theming

I'm looking for resources that best describe picking and using colors within a user interface. For example, elements that are good to color and elements that should have no or little color impact. I ...