is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions

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6
votes
2answers
717 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. ...
3
votes
1answer
75 views

Site Accessibility - Colour schemes to avoid

Marketing at our company has a strong preference for Blue on Blue in our application (i.e. Blue gradient background, with a Light blue header background, and a darker blue text shade). Obviously, in ...
3
votes
1answer
110 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 ...
4
votes
2answers
137 views

What are HTML colors that could be used for a 4 level performance measurement (Poor, OK, Good, Great) that would work with color blind people?

Perhaps, for users with Red-Green color blindness, the colors below are OK b/c the user can differentiate (I think) between read and light green. And for Red/Dark-Green they could easily tell one is ...
-1
votes
4answers
360 views

Should we risk using colors other than blue in Web apps?

Trends: New Colors (we’re looking at you, #00A0D1) If there’s one thing that’s been stagnant in the design community, it’s the originality with colors. Sixty percent of the applications on my ...
2
votes
2answers
1k 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 ...
6
votes
5answers
686 views

Are social media icons as effective when grey-scale?

Social icons may be more noticeable in the header, but they can clutter they navigation. Are social icons as effective in grey-scale? ie. Will users still see them in a group of links if they're not ...
19
votes
7answers
1k views

How can I check if my user interface is suited for colorblind people?

I've made a visualization that consists of various colors. Now I would like to test, if also color-blind people can use my application in a meaningful way. Is there any tool etc that I can run to see ...
4
votes
5answers
306 views

Communicating a three stage grade of alert

In our web application there's a view where we display the stress on a hardware component. This will be displayed with a percentage value in different colour codes combined with an icon where 100% ...
7
votes
3answers
309 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 ...
4
votes
5answers
879 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') ...