Questions tagged [color]

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

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25
votes
5answers
8k views

Choosing a set of colors [closed]

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 ...
21
votes
6answers
18k 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 ...
7
votes
2answers
521 views

What have studies shown about different dark background colours

I am looking to redesign a website over which I have little control outside the colour scheme. I want to find usability evidence to back up my change decisions, or else use that evidence to adjust my ...
0
votes
2answers
129 views

How would I mark that a cell value has been edited in a grid

I have an excel like grid and I want to somehow mark what cell values have been edited (and changed back to normal after pressing the save button) I was thinking about changing the number/background ...
29
votes
9answers
11k 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 ...
10
votes
2answers
2k views

Grey font on websites - some so pale they are difficult to read. What is today's design brief on font colour?

What is the design standard for font colour on websites? I am finding the use of pale grey makes some of the text extremely difficult to read. Surely readability should also extend to being able to ...
0
votes
1answer
757 views

Why do Indonesians forbid green? [closed]

I've recently discovered that in Indonesia green is forbidden. But I cannot find the reason. Can anybody help please because I'm just wondering that, when put into context, when green is and is not ...
4
votes
2answers
366 views

When is usability over design more important?

Im creating a dashboard webpage for desktop and have a side bar as a navigation. The title is white and the dashboard names are white. When looking at it, the white color makes it seem as if the ...
81
votes
7answers
154k 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 ...
0
votes
2answers
91 views

Should I use different backgroud colors in my app?

I want to design an app and my idea is to have 2 different background colors/themes: standard theme for sides where users just need to navigate theme for input sides where users need to make some ...
4
votes
1answer
410 views

Distinguishing overlapping event types in a timeline

I am working with software that is used for scheduling astronomical observations. I've created a timeline view for the user to create, view, and edit observation schedules. Here's my mock-up: Gray ...
3
votes
1answer
77 views

what are the benefits and harms of having light font on saturated colored background? [duplicate]

the example could be seen from the new google calendar it was white font on a saturated color box (colorful, very 'rich' in colors', 'bright', or im not sure what's the technical way of describing ...
5
votes
2answers
434 views

Can palettes be unambiguous for colour blind users?

I am making design recommendations for a piece of software that wants to accommodate entirely illiterate users. A suggestion that has been made is to assist these users by employing "color coding" on ...
20
votes
7answers
12k views

Monitors display more colors than human eye can distinguish

The human eye can differentiate about 10 million colors. A 24-bit display mode can produce about 16 million. Why, then, do operating systems have 32-bit and higher display modes if the apparent ...
19
votes
9answers
3k 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 ...
21
votes
7answers
4k views

Color of destructive primary button

In our app we use green buttons to signify primary actions (located on the right, but that's a whole different discussion) and grey buttons to denote secondary actions ('Cancel'). For example: The ...
1
vote
2answers
110 views

Black text usage

I hear conflicting information on the usage of #000; for body copy vs a light gray. The latest is using black text is culturally a better option and more legible. Especially not knowing user monitor ...
10
votes
6answers
10k views

Professional Slides presentations. Light or dark background? [closed]

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 ...
5
votes
1answer
1k views

Contrast ratio for button background color?

I am working with making a website WCAG II compliant. The designers are asking to use yellow buttons (specifically, #fcdb31) with blue text on top of them on white backgrounds. While the blue type on ...
18
votes
3answers
8k views

Logical colors for a wireframe

I got a mail from a designer to do some wireframes. He has told me that the wireframe should have logical colors. Is there really some theory to the colors for wireframes? I have made some ...
16
votes
3answers
3k 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?
7
votes
2answers
11k views

What is the difference between WCAG 2 AAA Compliant and WCAG 2 AA Compliant

I use a web app to check my site color contrast. Most of my color (Back/fore ground colors) are OK and I see YES inside textboxes except the one which refers to WCAG 2 AAA. What is it? What is the ...
33
votes
3answers
19k 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 guesses)...
3
votes
2answers
283 views

The Psychology of Colors

I have a few categories in my application regarding the various needs/dimensions of human lives such as health, social services etc. I am not sure which color would best represent each category. Could ...
3
votes
1answer
79 views

Eliminating confusion when differentiating between items by color

When choosing colors to display for a list of items (example: Map, Bar or line chart) I have run into the issue of too many colors (13) being used to differentiate between unique items. So my question ...
1
vote
1answer
2k views

What color scale to use for heat map with positive and negative values?

I am trying to see what the most intuitive or most conventional color scale would be for a heat map with values that can be either positive or negative (percent difference from expected). e.g., -50%, ...
1
vote
1answer
809 views

Why are the primary background colors of 2D and 3D design software black and grey without saturation?

I was wondering if there is any science-based research consensus which recommends using nonsaturated colors (pure shades of greys and blacks) in complex graphic design software for better usability? ...
4
votes
2answers
379 views

Using hue/saturation to represent multiple dimensions

I remember reading about this a while ago but I forget where, so I'm trying to 1) confirm that I remembered correctly and 2) find a supporting reference (book, research article) Suppose I have a data ...
1
vote
2answers
93 views

Play & Stop VS Start & Stop for meditation app

I'm working on a mobile app and deciding about whether to change the name of the button from play to start. This controls the circle as shown below. At the moment it's play and stop but do you think ...
0
votes
1answer
5k views

white text on yellow background

I am using a circle label to display the number. Because of UIRequirment , background of label is yellow and text colour is white. Text is not clearly visible. How to standout the white colour on ...
-4
votes
1answer
758 views

Is it a good idea to use red color in User Interfaces? [duplicate]

Colors like red and green are not visible to people with colour blindness.So is it a good idea to use red or variations of red as a user interface colour?
24
votes
3answers
4k 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 ...
4
votes
2answers
1k views

High contrast/visible colors for google maps

I am creating some custom markers for an application that uses google maps They stand for a tow truck and a broken car. An important constraint is that they must contrast with the map bellow, in ...
-2
votes
1answer
131 views

Why is every popular website removing colors? [closed]

I didn't know where to ask, so I'm trying here. I don't know if you guys have noticed, but youtube (logo, like/dislike etc.), facebook (like & comment icon), g+ (same) etc. have removed all ...
42
votes
8answers
34k views

Should hyperlinks be blue?

I've built a site where all hyperlinks have the default colors: blue for links, purple for visited links. They turn red on hover. I believe that always using blue for hyperlinks is a good thing, so ...
0
votes
2answers
200 views

Should secondary (help) buttons be a different colour?

I'm creating a web application that includes quite a lot of help buttons due to the complexity, initially we only had two colours for CTA buttons, primary and secondary, neither of the buttons in this ...
2
votes
2answers
716 views

What reasons to distinct hyperlinks with thick, light blue underlines?

To my knowledge, to avoid distractions in reading flow underlines should be avoided in any circumstance, not just hyperlinks. BBC avoids coloring them at all and boldface them instead. However, the ...
1
vote
2answers
446 views

Choosing the right background color (Contrast issues)

I interesting issue over here. I'm designing a "photo editor" app. I have already choose my primary color. Issue: I'm trying to understand what is the best way to choose "smart" background color ...
3
votes
2answers
2k views

Alternatives for red/green in diff output

I once read an article arguing that red and green are bad choices for diff, because some people have red-green color blindness red implies "bad" and green implies "good", but deleted code is often ...
15
votes
2answers
2k views

Lighter color for a secondary same action button?

I have a add button (with a green color) in the main level of my web app. This button also appears in other levels of my app. My CEO asked me if it would be a good idea to change the color to a ...
1
vote
2answers
204 views

the most visible color of bounding box in images of cats [closed]

I develop an app which draw a bounding box in pictures of cats. I wonder which color is the fittest for that purpose.
2
votes
1answer
1k views

What does the 'A' stand for in the Material Design color swatch system? (e.g tealA200) [closed]

Sort of a rudimentary question, so I apologize in advance. Just curious what the A mean and maybe more broadly, are there any design implications I should be considering in relation to the meaning. ...
3
votes
5answers
727 views

Background color when hovering datagrid row

My question is pretty simple. In your opinion, does changing the background color of the hovered row in the datagrid is a plus for the user - or a distraction that should be discarded? All rows / ...
1
vote
2answers
675 views

what color besides black and white are, measurably, most easy to see?

a practical example is when deciding what colour to pick for 'section titles' of long bullet-point text (has sub-bullet points also) on onenote, g-docs, and most anywhere so im hoping for a software ...
4
votes
2answers
713 views

Color coding a lot of major sections inside a website

So I have a website that consists of 15 major modules or lack of a better term sections. Each of these consist of very different objectives. One presents news the other shows you a job listing and ext....
10
votes
2answers
464 views

Why a color picker offers almost identical swatches?

Perhaps the first example I met was in Windows many years ago and is still with us: Pairs of swatches I connected with red line* are nearly indistinguishable. The same in color comb.          *) ...
1
vote
1answer
253 views

Displaying percentages in tiny stacked bar chart segments

Specifically, how to handle cases where a (stacked bar chart's) segment has a small value, leaving little visual space for displaying data inside that segment. For example, if the pink segment was ...
6
votes
2answers
456 views

Why do messaging apps color the user's messages brighter than the people they message?

You would think that the messages you receive are the primary focus of a messaging app, since you spend most of your time reading them. However, many big messaging clients like iMessage and Facebook ...
2
votes
2answers
308 views

Colors signifying positive, false negative and false positive

I am given text span ranges (start and stop) for a specific paragraph from two separate APIs. One API has the spans as defined by a human while the other is defined by a machine. I essentially need to ...
0
votes
1answer
155 views

Changes in a base color of an admin page

I am changing a support page of my company to make the employees more happy and comfortable with the support page. I came with a question. Can a redesign really change the way users feel or will big ...

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