Color Contrast Accessibility

Color can be used to distinguish data categories and dimensions on information graphs, and is one of the most commonly used visual variables in data visualization. However, more than 8% of men and 0.4% of women in the world are plagued by the problem of color vision disorders-they have difficulty in identifying some or all of the colors. We generally refer to this group as "color blindness (color blindness)" (also known as Dalton, vision loss, vision recognition disorder, weakness, etc.). In the face of such a large and special audience, designers should pay attention to their needs. Information graphic design is to convey accurate data to users as ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnosis Taobao guest Cloud host technology Hall is mainly for the hotel industry and the federal government for the Web development of Ryan Boudreaux has written a series of articles for the four design principles, this article is the first effective designs principles for Web Designers:co ...

In the process of creating a palette, hue and saturation are not necessarily the most important parts, and how colors interact with each other in my opinion is more important. "I'm not sure it's blue. Can you make the blue more ' positive '? I heard that blue embodies a sense of trust. "Designers have heard this kind of commentary countless times in their careers, and that's really good communication," he said. Customers don't often make comments about a color in such a meticulous way. Matching the color of the bark to a certain extent reflects the personal taste or they read in some articles about "color containing ..."

Wei Feng Network news, Beijing time in the wee hours, Apple to provide developers with the first major iOS7 test update, that is, iOS7.1 beta. On the surface, iOS7.1 only brings a lot of repairs and improves the performance of a large number of native applications. But if you delve deeper, you'll find that there are several changes to the iOS7.1 user interface, and you'll be pleasantly surprised to find new features. Black keyboard iOS7 is full of color and white, but in iOS7.1, users can also change the background color of the keyboard to black. The specific settings are found in the middle of "Universal-accessibility" ...

Apple recently released a third beta version of iOS 7.1 to developers, including multiple bug fixes and some visual effects, making iOS 7 a new sensation in some ways, according to foreign media mac rumors. Keyboard: IOS 7 Keyboard has been slightly adjusted, the font of the bold effect more prominent, contrast more clear, show more clearly. The entire keyboard uses a slightly darker hue, and the delete and SHIFT keys are all selected with a new design. Left for iOS 7 keyboard, right for iOS 7.1 keyboard icon: Using the green icon of the call, information, F ...

It was originally published in the 7th issue of "Programmers" magazine 2010. Author: Siccio 19 ago, the world's first web page was born, it has no design to say, composed of text and URLs, style only the most basic <h1><p>. Now, web design has grown into an independent and huge design category, the creation of a Web page requires a number of jobs, a variety of technology participation, the complexity and challenges of the process has surpassed any traditional design categories. Over the past 19 years, the site owners have become more aware of their goals, and designers are increasingly rational and focused ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall to get fast growth, we have to know some of the terminology of web design. 　　Like many other industries, web design is still in its infancy, but it already has too many acronyms, and some simple techniques and ideas must be understood. 　　Today's environment is 100 times times more complex than it used to be because we use tools and frameworks on the web, and the development of language and libraries makes all the progress fast. Designers-even professional web designers ...

Sina Science and technology news Beijing time, January 8 morning, Apple launched the third beta version of iOS 7.1 for developers in Tuesday, which included multiple bug fixes and a visual adjustment that brought a completely different feel to some aspects of iOS 7. In the new beta, iOS Phone Dialer has been redesigned to adopt a new keystroke style, while some of the icons are darkened to reduce the "neon" feeling. The US tech blog MacRumors A summary of the changes that have been brought to the iOS 7.1 beta so far. Keyboard iOS 7 key ...

A period of time before the holiday home is a rare leisure, strange less than a week to sit still, right and wrong, the heart is itching AIDS-the original is the Internet addiction committed-to persuade parents to agree to pull the net, I promise them, to ensure that they learn to surf the internet! My plan is: within a week, teach my mother to surf the web and teach my father to go online and fight the landlord. Let's play through the finale. A week down, mother angry. The NO. 500 time I muttered "How can I still learn", she roared: "I am not stupid!" Either the computer is not good, or you teach bad, in short, you are not good! "Dad chose to dodge at this time ...

Vsco Cam, produced by Visual Supply, is a stylish and powerful mobile-end photo-processing application that has a record of 4.5 stars in both the App Store and Google Play. Vsco has a large number of loyal users, and there are many of the most beautiful photos I've seen in their grid (which is built into the online photo stream). In May 2014, they succeeded in investing 40 million of billions of dollars. The goal of usability testing is to identify the usability problems and pain in Vsco through 6 basic tasks.