0
votes
2answers
55 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 ...
2
votes
2answers
252 views

Studies about negative readability

I've been requested to design a dark interface which spreads a little light as possible. I'm interested in academic studies / researches about white text on black background. Is it really tough to ...
4
votes
1answer
53 views

How much does vision change as we age?

I'd like to share with my web design team some specific, quantitative data on just how much visual ability changes, even as young as 40 years old. This is to help drive home the need for adequate ...
5
votes
2answers
183 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 ...
9
votes
4answers
492 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 ...