Tagged Questions
5
votes
2answers
148 views
What is the validity of contrast and colours tests?
I just ran a contrast and colour test (using checkmycolours.com in this case) on our corporate site (www.dotblue.net; if you care) and it reports quite some failures. However, I explicitly optimized ...
2
votes
2answers
506 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 ...
5
votes
2answers
219 views
Standards for and measuring contrast of solid color fills
There are several questions on UX (e.g. here, here, here) already about contrast. However, all of those are about text, and the contrast between text and background, most off them referencing this W3 ...
13
votes
3answers
1k 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 ...
3
votes
4answers
390 views
Best Way to Darken a Color Until it is Readable?
What's the best way to darken a color until it is readable?
I have a series of titles which have an associated color, but some of these colors are very light and any text drawn in them is unreadable. ...
9
votes
4answers
397 views
automatically calculate contrast
A user can change the default design of his site by selecting a color. This color is applied to the menu background color. The problem is that I have to change the menu text color depending on the ...
5
votes
4answers
1k views
Choosing high contrast text color (in relation to background color) dynamically
My application has an area with some number of controls. Each control's background color expresses a state of some sort. The controls are also numbered via some text in their foreground. For ...
